Urinalysis in Veterinary Practice: From Collection to Interpretation

By Dr. Zubair Khalid, DVM, MS, PhD · 2026-08-11

Key Takeaways

• Cystocentesis is the preferred method for obtaining sterile urine samples for culture, minimizing contamination from the distal urethra or genital tract, which can lead to false-positive bacterial findings.
• Urine specific gravity (USG) measured by refractometry is a critical indicator of renal concentrating ability; isosthenuria (USG 1.008-1.012) signifies the kidney's inability to alter filtrate osmolality, irrespective of the underlying cause.
• Sediment examination, performed within 30-60 minutes of collection, is essential for identifying cellular elements (erythrocytes, leukocytes, epithelial cells), casts, and crystals, which are not detected by reagent strips alone.
• Species-specific interpretation is paramount, particularly for avian species where uric acid is the primary nitrogenous waste and urine is semisolid, rendering mammalian dipstick norms inapplicable.
• Refrigeration of urine samples can induce artifactual crystalluria (e.g., struvite, calcium oxalate) due to temperature-dependent precipitation, necessitating rewarming to body temperature before sediment analysis to avoid misinterpretation.
• Conflicting urinalysis results, such as a positive blood dipstick with no erythrocytes in sediment, require careful correlation with clinical signs and potentially repeat testing to differentiate hematuria, hemoglobinuria, or myoglobinuria.

Urinalysis is a core component of the minimum database in veterinary medicine. It provides information about renal concentrating ability, urinary tract inflammation, infection, and metabolic derangements at a cost and speed that few other diagnostic tests can match. This article guides the practicing veterinarian through each stage of the urinalysis, from sample acquisition through physical, chemical, and sediment examination, with emphasis on species-specific interpretation and common pitfalls. The content assumes familiarity with clinical terminology and basic laboratory technique.

The clinical questions this article answers are practical ones. Is the urine sample adequate for the test requested? Does the dipstick result match the sediment findings? Is a specific gravity of 1.020 in a dehydrated dog evidence of renal failure or simply a dilute sample collected after a water load? How do avian urine and mammalian urine differ in ways that change interpretation? Each section builds on the last so that the reader can assemble a complete picture from a single sample.

At a Glance

Physiology of Urine Formation and Composition

The nephron filters plasma, reabsorbs solutes and water, and secretes waste products under hormonal and hemodynamic control. The final urine composition reflects the integrated function of glomerular filtration, tubular reabsorption, and tubular secretion. Concentrating ability depends on the medullary countercurrent multiplier, antidiuretic hormone action on collecting duct aquaporins, and intact tubular architecture. A urine specific gravity within the isosthenuric range indicates that the kidney cannot alter filtrate osmolality, regardless of the underlying cause.

Normal urine contains low concentrations of protein, glucose, and cellular elements. The glomerular filtration barrier restricts large proteins, and the proximal tubule reabsorbs filtered low-molecular-weight proteins. Glucose is reabsorbed in the proximal tubule via sodium-glucose cotransporters, and glucosuria occurs when the filtered load exceeds the transport maximum or when tubular transport is defective. Bilirubin is not normally present in canine urine in detectable amounts, while feline urine may contain trace bilirubin without clinical significance.

Species differences in nitrogen metabolism alter urine composition substantially. Birds excrete uric acid as the primary nitrogenous waste, producing a semisolid white paste instead of a liquid stream. As reviewed in clinical chemistry of companion avian species, avian urine is normally mixed with feces in the cloaca, which complicates collection and interpretation. The absence of a urinary bladder in most birds means that urine is not stored and concentrated to the degree seen in mammals.

Sample Collection Methods

Free Catch

Free catch is the least invasive method and is appropriate for routine screening when culture is not required. Midstream collection reduces but does not eliminate contamination from the distal urethra, prepuce, or vulva. In dogs, a clean container held in the urine stream works well. In cats, nonabsorbable litter or a clean tray may be needed. Free catch samples are acceptable for dipstick analysis and sediment examination, but bacterial culture from free catch samples must be interpreted with caution because commensal flora can overgrow true pathogens.

Cystocentesis

Cystocentesis with ultrasound guidance or palpation provides the least contaminated sample for culture. The bladder should be palpable or visible on ultrasound before attempting collection. A 22-gauge needle on a 6 to 12 mL syringe is suitable for most dogs and cats. The sample should be transferred to a sterile tube promptly. Cystocentesis is contraindicated in patients with coagulopathies, a distended bladder that cannot be stabilized, or suspected bladder neoplasia where seeding is a concern.

Catheterization

Catheterization is useful when free catch is impossible and cystocentesis is declined or contraindicated. The catheter tip may carry urethral flora into the bladder, so culture results should be interpreted with this limitation in mind. The first few milliliters should be discarded or collected separately because they reflect urethral instead of bladder contents.

Sample Handling and Storage

Urine is an unstable biologic specimen. Cellular elements lyse, casts dissolve, and bacteria multiply when urine is left at room temperature. Analysis should begin within 30 minutes of collection. If delay is unavoidable, refrigeration at 4 degrees C preserves cells and casts for several hours, but crystals may form de novo at low temperature and alter the sediment interpretation. Refrigerated samples should be warmed to room temperature and gently mixed before analysis. Chemical dipstick reactions, particularly for glucose and bilirubin, degrade over time, so the dipstick should be read promptly after wetting.

The MSD Veterinary Manual recommends that urine for complete analysis be evaluated fresh, with the physical and chemical portions performed before the sediment examination. A sample that cannot be analyzed within two hours should be refrigerated, and the clinician should note that refrigeration may produce artifactual crystalluria, particularly of amorphous phosphates and urates.

Physical Examination of Urine

Color and Turbidity

Normal urine color ranges from pale yellow to amber, reflecting urobilinogen and urine concentration. Red or brown urine suggests hematuria, hemoglobinuria, or myoglobinuria. Dark yellow to orange urine occurs with bilirubinuria or highly concentrated samples. Green urine may indicate biliverdin in birds or, rarely, bilirubin oxidation. Turbidity normally increases with concentration, but marked turbidity in a clear sample suggests cellular debris, crystals, lipid droplets, or mucus. In herbivores, normal urine is often turbid due to calcium carbonate crystals and mucus. In birds, normal urine contains a white urate component that should not be mistaken for pyuria. Harr's review of avian clinical chemistry emphasizes that avian urine is normally semisolid with urates, and this physiologic finding must be distinguished from pathologic sediment.

Odor

Odor is rarely diagnostic. A sweet or fruity odor may accompany ketonuria. Ammoniacal odor develops with prolonged storage as urea is converted to ammonia by urease-producing bacteria. Foul odor in a fresh sample raises suspicion of bacterial cystitis, particularly with Proteus or Staphylococcus species.

Chemical Analysis

Reagent Strip Methodology

Reagent strips provide semiquantitative results through colorimetric reactions. Results should be read at the manufacturer's specified time, typically 60 to 120 seconds, because delayed reading alters color development. Automated urine chemistry analyzers standardize timing and reduce reader variability. Paper-based microfluidic point-of-care devices represent an emerging format that may improve quantitative accuracy, but conventional dipsticks remain the standard in practice.

Specific Gravity

Urine specific gravity (USG) is the single most informative chemical parameter. It assesses renal concentrating ability and guides interpretation of other analytes. A USG below 1.030 in a dog or below 1.035 in a cat with azotemia indicates inadequate concentrating ability. Isosthenuria (USG 1.008 to 1.012) suggests fixed urine osmolality, while hyposthenuria (USG below 1.008) indicates active dilution. Refractometry is preferred over reagent strip specific gravity pads, which are unreliable in veterinary species. The MSD Veterinary Manual recommends refractometry as the standard method for USG determination.

pH

Normal urine pH ranges from 6.0 to 7.5 in dogs and cats, with herbivores typically alkaline (7.5 to 8.5) and carnivores acidic. pH influences crystal formation, bacterial growth, and drug excretion. Alkaline urine in a carnivore raises suspicion for urease-producing bacterial infection or a plant-based diet. Acidic urine predisposes to calcium oxalate and urate crystals, while alkaline urine favors struvite and calcium phosphate crystals. Sample handling matters: delayed analysis allows pH to rise as urea is converted to ammonia.

Protein

Reagent strip protein detects albumin preferentially and is reported as trace to 4+. A trace reading may be normal in concentrated urine. Interpretation requires correlation with USG. A urine protein-to-creatinine ratio is indicated when proteinuria is persistent, but that quantification is outside the scope of this article. False-positive protein readings occur with alkaline urine, concentrated samples, and quaternary ammonium disinfectant contamination. False negatives occur with acidic or dilute urine and with Bence Jones proteins.

Glucose

Glucose appears in urine when blood glucose exceeds the renal threshold, approximately 180 to 220 mg/dL in dogs and 250 to 290 mg/dL in cats. Reagent strips are glucose-specific and do not detect other reducing sugars. False negatives occur with vitamin C or tetracycline. In birds, glucose is not normally present, and glucosuria indicates significant hyperglycemia. Harr's review notes that avian renal glucose handling differs from mammals, making glucosuria a less sensitive indicator of hyperglycemia.

Ketones

Ketone pads detect acetoacetic acid and acetone but not beta-hydroxybutyrate, the predominant ketone in diabetic ketoacidosis. A negative ketone result does not exclude ketoacidosis. False positives occur with phthalein dyes and some cephalosporins.

Bilirubin and Urobilinogen

Bilirubinuria precedes bilirubinemia and is an early indicator of hemolysis or hepatobiliary disease. Dogs can excrete small amounts of bilirubin in concentrated urine normally. Cats do not normally have bilirubinuria, so any detectable bilirubin in feline urine is significant. Urobilinogen testing has limited diagnostic utility in veterinary medicine due to poor sensitivity and specificity.

Blood

The blood pad detects hemoglobin, myoglobin, and intact erythrocytes. A positive blood pad with no erythrocytes on sediment examination suggests hemoglobinuria or myoglobinuria. Hemoglobinuria appears pink to red with clear supernatant after centrifugation, while hematuria produces a red supernatant with sediment containing erythrocytes. Myoglobinuria is suspected when the pad is positive, sediment is unremarkable, and plasma is clear, as hemoglobin binds haptoglobin while myoglobin does not.

Nitrite

The nitrite pad detects bacteriuria indirectly through bacterial nitrate reduction. It is insensitive in veterinary species because many uropathogens do not reduce nitrate and urine transit time is short. A negative nitrite result does not rule out urinary tract infection.

Sediment Examination

Standardized Protocol

Centrifuge 5 mL of well-mixed urine in a conical tube at 1500 to 2000 rpm for 5 minutes. Decant the supernatant, leaving approximately 0.5 mL. Resuspend the sediment by gentle tapping or pipetting. Place one drop on a clean slide and apply a coverslip. Examine at low power (100x) to identify casts, crystals, and large structures, then at high power (400x) to identify cells and bacteria. Report findings as number per high-power field (HPF) or low-power field (LPF).

The American Society for Veterinary Clinical Pathology guidelines recommend standardized reporting formats and quality control procedures for sediment examination. Counting at least 10 fields and reporting an average improves precision.

Cells

Erythrocytes: more than 5 per HPF is abnormal. Fresh hematuria shows intact, biconcave cells. Crenated erythrocytes indicate concentrated urine or delayed examination.

Leukocytes: more than 5 per HPF suggests inflammation. Neutrophils indicate bacterial cystitis, urolithiasis, or neoplasia. Eosinophils are rare but may accompany interstitial nephritis or drug reactions. Lymphocytes suggest chronic inflammation or neoplasia.

Epithelial cells: squamous cells from the distal urethra, vagina, or prepuce are common contaminants. Transitional cells from the bladder and proximal urethra are normally present in small numbers. Clusters of atypical transitional cells warrant cytologic evaluation. Renal tubular epithelial cells are abnormal and indicate tubular injury.

Casts

Casts form in the distal tubules and collecting ducts. They are reported per LPF. Hyaline casts are the most common and appear as colorless, transparent cylinders. They occur with fever, exercise, or mild proteinuria. Granular casts indicate tubular injury and appear with nephrotoxins, ischemia, or pyelonephritis. Cellular casts contain erythrocytes, leukocytes, or epithelial cells and localize the disease process to the kidney. Waxy casts are broad, refractile, and indicate chronic tubular disease. Fatty casts occur in cats with feline idiopathic hepatic lipidosis or diabetes mellitus.

Crystals

Crystal identification guides urolith prevention and metabolic disease diagnosis. Crystal formation depends on urine pH, concentration, temperature, and storage time. Refrigerated samples develop crystals that were not present in vivo, so sediment examination should occur within 30 to 60 minutes of collection.

Bacteria and Other Findings

Bacteria are identified at high power with reduced light. Rods and cocci should be distinguished. More than 10 bacteria per HPF in a cystocentesis sample strongly suggests bacteriuria. Free catch samples may show urethral or vaginal contamination. Lipid droplets appear as refractile spheres of varying size and are common in normal feline urine. Spermatozoa may be present in intact males. Parasite ova, particularly Capillaria plica or Dioctophyma renale, are identified in endemic regions.

Species-Specific Considerations

Ruminants and Horses

Ruminant urine is normally alkaline with abundant mucus and calcium carbonate crystals. Equine urine is also alkaline and turbid. In these species, USG is less useful for assessing hydration because of physiologic diuresis. WOAH terrestrial animal health standards address urine sampling for surveillance of production-limiting diseases, where collection method and biosecurity protocols differ from companion animal practice.

Birds

Avian urine is a semisolid mixture of uric acid, urates, and water. Harr's review of avian clinical chemistry explains that uric acid is the primary nitrogenous waste product, and its solubility is pH dependent. Urinalysis in birds requires dilution of the urate component before sediment examination. USG is not measured by refractometry because uric acid precipitates unpredictably. The absence of a urinary bladder in most birds means urine is collected from the cloaca or from a clean surface, and contamination with fecal material is expected.

Cats

Feline urine is normally concentrated, with USG frequently exceeding 1.040. The presence of lipid droplets is a normal finding. Feline idiopathic cystitis often presents with hematuria and sterile pyuria. The International Veterinary Epilepsy Task Force consensus proposal includes unremarkable urinalysis as a component of tier I diagnostic confidence for idiopathic epilepsy, emphasizing the role of urinalysis in excluding metabolic causes of neurologic signs.

Documentation and Reporting

Record the collection method, time of analysis, and any delay or storage conditions. Report physical findings, chemical results, and sediment findings separately. Include USG and pH with all sediment interpretations. Note whether the sample was free catch, catheterized, or cystocentesis, as this affects

Recognized Complications and Failure Modes

Urinalysis failure occurs most often at collection, storage, or reading. Cystocentesis can produce iatrogenic hematuria, particularly in small patients or when the bladder is not adequately distended. A traumatic sample shows fresh erythrocytes without hemoglobinuria or proteinuria out of proportion to the blood. Repeat collection after several hours usually resolves the ambiguity. Post-cystocentesis hematuria that persists beyond the next void, or that is accompanied by stranguria or pollakiuria, warrants abdominal ultrasound to exclude bladder wall injury or inadvertent intestinal puncture.

Refrigerated samples develop crystalluria as temperature-dependent precipitation occurs, most commonly struvite and calcium oxalate. This artefact does not indicate urolithiasis. Warm the sample to body temperature and re-examine before reporting crystals. Delayed analysis permits bacterial overgrowth, which alkalinises urine, degrades casts, and lyses cells. A sample held at room temperature for more than 30 minutes should be interpreted with caution for cellular elements and pH.

Reagent strip errors follow a recognizable pattern. A falsely low specific gravity reading occurs when the strip is read after the timed interval, because the color block continues to change. A falsely high pH reading occurs when urine sits exposed to air and carbon dioxide escapes. Protein readings are falsely elevated in alkaline urine or when the strip is over-saturated. Glucose readings are falsely depressed in the presence of high ascorbic acid concentrations, which occurs in some diets and after certain treatments.

Common Errors and Corrective Actions

The most frequent error is interpreting specific gravity from the reagent strip instead of the refractometer. Strip specific gravity is a surrogate measure with poor precision in the clinically relevant range. The refractometer remains the reference method and should be used for every sample.

A second error is reporting proteinuria without considering urine concentration. A 2+ protein reading in concentrated urine may be normal, while a trace reading in dilute urine can be significant. Always pair protein with specific gravity and sediment findings before concluding that proteinuria is pathologic.

Inexperienced readers commonly mistake fat droplets for red blood cells, or confuse yeast with erythrocytes. Fat droplets are highly refractile and vary in size, while erythrocytes are uniform. Yeast are oval, budding, and do not lyse with acetic acid, whereas erythrocytes do. Adding one drop of acetic acid to the sediment distinguishes the two.

A fourth error is ignoring the sediment when the strip is negative. Casts and crystals can be present with a negative protein pad, and bacteria can be visible when the nitrite pad is negative, since canine and feline urine does not reliably convert nitrate to nitrite. Sediment examination is mandatory on every sample, not reserved for abnormal strips.

Limitations of Current Evidence

The evidence base for urinalysis interpretation is uneven across species. Most published reference intervals derive from dogs and cats, with comparatively sparse data for ruminants, horses, and exotic species. Avian urinalysis is frequently omitted from diagnostic protocols despite being an integral part of laboratory diagnosis, and the physiologic differences between birds and mammals alter the meaning of standard analytes. Clinicians should apply mammalian reference intervals to avian patients with caution.

Expert opinion still differs on the clinical significance of asymptomatic crystalluria. Some authorities treat crystalluria as a risk factor for urolithiasis, while others regard it as an incidental finding in concentrated urine. The distinction matters for dietary recommendations and monitoring frequency. Current guidance favours interpreting crystals in the context of urine pH, urine concentration, and the specific crystal type, instead of as a standalone diagnosis.

The diagnostic value of the nitrite pad in veterinary patients remains contested. Human data support its use, but the enzyme systems that convert nitrate to nitrite are inconsistent across veterinary species. The ASVCP quality assurance guidelines emphasize method validation for each species and analyte, and the nitrite pad has not been validated as a screening test in dogs or cats.

Referral, Consultation, and Reporting

Referral is warranted when urinalysis findings cannot be reconciled with the clinical picture, when hematuria or proteinuria persists despite treatment, or when the sample suggests a structural lesion such as a bladder mass or urolith that requires imaging beyond the primary care setting. A veterinary clinical pathologist should be consulted for challenging sediment, suspected neoplasia, or when a laboratory error is suspected.

Laboratory involvement is appropriate when quantitative results are needed, such as urine protein to creatinine ratio, culture and sensitivity, or cytologic preparation of sediment for a pathologist. These services exceed the scope of in-house urinalysis and require submission to a diagnostic laboratory.

Regulatory reporting applies when urinalysis findings suggest a notifiable disease. Leptospirosis, for example, may present with hematuria and proteinuria, and reporting requirements vary by jurisdiction. The WOAH terrestrial animal health standards define international notification obligations, while local authorities determine regional requirements. When a zoonotic or trade-relevant pathogen is suspected, contact the relevant animal health authority before releasing the patient or sample.

Frequently Asked Questions

How Should I Prioritize Urinalysis When the Owner Has Financial Constraints?

Prioritize cystocentesis and sediment examination over reagent strip analysis when resources are limited. A urine sample collected by cystocentesis for culture remains the highest-yield test when bacterial urinary tract disease is suspected. If only a free-catch sample is possible, interpret protein and bacterial findings cautiously, as genital tract contamination can produce false positives. Specific gravity should always be measured, as it provides essential information for localizing azotemia and assessing renal concentrating ability. When the complete panel cannot be performed, document which components were omitted and interpret the remaining results with those gaps in mind. The American Society for Veterinary Clinical Pathology quality assurance guidelines emphasize that partial testing with clear documentation is preferable to no testing, provided limitations are acknowledged in the medical record.

What Can I Do When a Microscope or Centrifuge Is Unavailable?

Reagent strip analysis and refractometry can still provide valuable diagnostic information without centrifugation or microscopy. Specific gravity, pH, glucose, ketones, bilirubin, and blood can be assessed reliably on uncentrifuged urine. Protein readings should be interpreted with caution, as turbidity and alkaline pH can cause false elevations. If sediment examination is unavailable, consider whether the clinical question can be answered by alternative testing, such as urine culture or imaging. For practices with limited laboratory infrastructure, commercial veterinary laboratories offer same-day sediment analysis by courier. The MSD Veterinary Manual notes that refrigerated samples remain suitable for sediment examination for up to 24 hours, allowing submission to a reference laboratory without compromising diagnostic quality.

How Does Urinalysis Interpretation Differ in Exotic Companion Mammals?

Rabbits, guinea pigs, and other small herbivores produce alkaline urine that frequently contains calcium carbonate crystals, which are normal findings. Their urine is often turbid due to calcium carbonate and ammonium magnesium phosphate crystals. Hematuria in rabbits may originate from the reproductive tract, as intact females commonly shed endometrial blood. Urine specific gravity in rabbits typically ranges from 1.003 to 1.036, and they cannot concentrate urine as effectively as dogs and cats. Proteinuria is common in rabbits and is not necessarily pathologic. For avian species, urinalysis is frequently omitted from diagnostic protocols, but it remains an integral part of laboratory diagnosis when performed appropriately, as reviewed in the clinical chemistry literature for companion avian species. Birds excrete uric acid as a semisolid paste, making dipstick interpretation challenging and often unreliable.

When Should I Repeat a Urinalysis to Confirm a Borderline Finding?

Repeat urinalysis within 24 to 48 hours when a single borderline finding could change management decisions. Isolated trace proteinuria with a specific gravity above 1.035 in a dog rarely warrants immediate intervention, but persistent proteinuria on repeat sampling should prompt further investigation. A single negative sediment examination does not exclude intermittent crystalluria or hematuria. For patients with suspected urolithiasis, collect a fresh sample at the same time of day on consecutive days, as crystal formation varies with feeding and hydration status. When monitoring response to therapy, repeat urinalysis at intervals appropriate to the underlying condition. The International Veterinary Epilepsy Task Force consensus proposal includes unremarkable urinalysis as part of the minimum database for epilepsy diagnosis, underscoring that a single normal result has diagnostic value when interpreted within the appropriate clinical context.

How Should I Document Urinalysis Findings in the Medical Record?

Record the collection method, time of collection, time of analysis, and the analyzer used for each measurement. Physical findings should be described using standardized terminology, such as clear, slightly turbid, or grossly turbid, instead of subjective descriptors. Sediment findings should be quantified per high-power field or low-power field, not reported as rare, few, or many without numeric context. Document the specific gravity as measured by refractometer, not estimated from dipstick. Include the urine color and whether the sample was collected before or after treatment. The American Veterinary Medical Association practice resources emphasize that complete and accurate medical records support continuity of care and medicolegal defense. If a sample was refrigerated before analysis, note this, as cold storage can precipitate crystals that are not clinically significant.

How Do I Explain Conflicting Urinalysis Results to a Client?

Explain that urine testing produces multiple data points that must be interpreted together instead of in isolation. A positive blood result on the dipstick with no red blood cells on sediment examination may reflect hemolysis in the sample, recent trauma from cystocentesis, or myoglobinuria. Similarly, proteinuria without active sediment may indicate early renal disease or a concentrated urine sample. Use analogies that are clinically accurate without being condescending, such as comparing the dipstick to a screening test and the sediment to a confirmatory test. Offer a concrete next step, such as repeat testing or urine culture, instead of leaving the client with unresolved ambiguity. The MSD Veterinary Manual provides client-facing summaries that can reinforce your explanation and help owners understand why additional testing may be necessary.

Related Clinical & Scientific Guides

• Peripheral Blood Smear Evaluation: A Step-by-Step Guide
• Reticulocyte Counts in Veterinary Medicine: Clinical Utility and Interpretation
• Cerebrospinal Fluid Analysis in Veterinary Neurology: Collection and Interpretation

References and Further Reading

• Clinical chemistry of companion avian species: a review.. 2002.
• International veterinary epilepsy task force consensus proposal: diagnostic approach to epilepsy in dogs.. 2015.
• Paper-based microfluidic point-of-care diagnostic devices.. 2013.
• Advances in the Diagnosis of Human Schistosomiasis.. 2015.
• ACVIM consensus statement guidelines for the diagnosis, classification, treatment, and monitoring of pulmonary hypertension in dogs.. 2020.
• American Society for Veterinary Clinical Pathology Guidelines. American Society for Veterinary Clinical Pathology.
• MSD Veterinary Manual, Professional Edition. MSD Veterinary Manual.
• American Veterinary Medical Association Practice Resources. American Veterinary Medical Association.
• WOAH Terrestrial Animal Health Code. WOAH.

Related Articles

• Cytology of Joint Fluid: Collection and Interpretation in Arthropathies
• Cytology of the Respiratory Tract: Collection and Interpretation
• Cerebrospinal Fluid Analysis in Veterinary Neurology: Collection and Interpretation
• Cytology of the Liver and Spleen: Diagnostic Utility and Interpretation
• Feline CBC Interpretation: Species-Specific Considerations

This article is educational professional reference material for veterinary audiences. It is not a substitute for veterinary diagnosis, individual clinical judgment, current product labeling, or applicable regulatory requirements.