Includes

• A microscopic examination is performed, when appropriate, at an additional charge.

Methodology

Microscopic Examination

Reference Range(s)

Microscopic

• WBC - ≤5 /HPF

• RBC - ≤2 /HPF

• Squamous Epithelial Cells - ≤5 /HPF

• Transitional Epithelial - ≤5 /HPF

• Renal Epithelial Cells - ≤3 /HPF

• Bacteria - None seen

• Calcium Oxalate Crystals - None or Few

• Triple Phosphate Crystals - None or Few

• Uric Acid Crystals - None or Few

• Amorphous Sediment - None or Few

• Crystals - None seen

• Hyaline Casts - None seen

• Granular Casts - None seen

• Casts - None seen

• Yeast - None seen

Preferred Specimen(s)

10 mL urine - Urinalysis transport tube (yellow-top, blue fill line, preservative tube)

Alternative Specimen(s)

Refrigerated unpreserved pediatric sample • Yellow/red swirl-topped conical transport tube with preservative

Minimum Volume

Preserved: 1 mL

Unpreserved (pediatric only): 1 mL

Collection Instructions

Encourage mid-stream samples to minimize contamination and improve accuracy. Label the sample appropriately and store at room temperature until pick-up.

Transport Container

Yellow-top, blue fill line urinalysis transport tube, sterile urine container

Transport Temperature

Preserved: Room temperature

Pediatric Unpreserved: Refrigerated (cold packs)

Specimen Stability

• Preserved urine

• Room temperature: 72 hours

• Refrigerated: 72 hours

• Frozen: Unacceptable

Unpreserved urine

• Refrigerated: 24 hours - Pediatric specimen

Reject Criteria

Unpreserved specimen (adults)

Note: Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.