| Test Name: |
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Urinalysis with Microscopy, Culture if >5 WBC's/hpf
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| Test Code(s): |
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UACULT / HCUACULT
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| CPT Code(s): |
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81001
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| Methodology: |
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Automated Urine Chemistry and Microscopy Analyzer
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: 1 hour.
Routine: 4 hours.
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Specimen Requirements
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| Specimen: |
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Urine
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| Collection Instructions: |
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First morning void preferred. Refrigerate if transportation to lab is delayed. Indicate whether specimen is midstream, indwelling catheter, single catheter or other method of collection.
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| Collection Container: |
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Preferred: Sterile screw cap container
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| Collection Volume: |
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Preferred: 10 mL
Pediatrics: 3 mL
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| Sample Analyzed: |
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Urine aliquot
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| Volume Required: |
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Preferred: 10 mL
Pediatrics: 3 mL
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220)immediately. Transport with coolant pack if coming from outreach location.
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| Unacceptable Criteria: |
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Samples held at room temperature for more than 2 hours or samples refrigerated for more than 24 hours are not acceptable.
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| Stability: |
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Ambient: 2 hours
Refrigerated: 24 hours
Frozen: Not acceptable
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Interpretation
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Reference Interval:
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Age 0 days and up:
Dipstick:
| Specific Gravity |
1.005-1.035 |
| pH |
5.0-8.0 |
| Protein |
Negative to trace |
| Glucose |
Negative |
| Ketones |
Negative |
| Hemastix |
Negative |
| Bilirubin |
Negative |
| Leukocyte Esterase |
Negative |
| Nitrite |
Negative |
| Urobilinogen |
0.1-1.0 mg/dL |
Microscopic Findings:
| WBC |
0-5/hpf |
| RBC |
0-2/hpf |
| Bacteria |
Not seen |
| Squamous Epithelial cells |
0-2/hpf |
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Renal Epithelial cells
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Not seen or less than 1/hpf |
| Crystals |
Few calcium oxalate, few
amorphous urates or phosphates
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| Casts |
0-4 hyaline casts/lpf |
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| Critical Calls: |
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View
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| Additional Information: |
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A
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