| Test Name: |
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Urinalysis with Microscopy
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| Test Code(s): |
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UA
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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. For midstream urine collection instructions refer to Health Facts for you - Male HF #4247, Female HF # 4236 located on UConnect.
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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 the laboratory 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 |
| Glucose |
Negative |
| Ketones |
Negative |
| Hemoglobin |
Negative |
| Bilirubin* |
Negative |
| Leukocyte Esterase |
Negative |
| Nitrite |
Negative |
| Urobilinogen |
0.2, 1.0, <2.0 mg/dL |
Microscopic Findings:
| WBC |
0-5/hpf |
| RBC |
0-2/hpf |
| Bacteria |
Not seen |
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Squamous Epithelial cells
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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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Conversion and Sensitivity Chart Link
*All positive reagent strip bilirubin results are confirmed by Ictotest.
If Ictotest is not available, positive results will include the comment "Screen for bilirubin cannot be confirmed as positive due to reagent shortages. Most positive screens are not confirmed as positive."
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