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Test Code LAB4279 URINALYSIS w/CULT IF INDICATED

Specimen Type

Preferred Specimen: Yellow Urine Tube, and Urine Grey C&S Tube
Alternative Specimen: Leakproof Plastic Urine Container

Collection Instructions

Collect sample using the clean catch midstream collection procedure or urine cath bag. Maintain sterility . Submit sample in a yellow top urine tube or sterile plastic leakproof container and a grey top urine C&S preservative tube filled completely. If unable to collect enough sample to fill the grey top tube, submit sample in just yellow top tube or other sterile plastic leakproof container.

Specimen Volume

12 mL

Minimum Volume

2 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room Temp: 2 hours

Refrigerated: 24 hours

Specimen Processing

Up to 8 mL aliquot of a random urine specimen in a yellow top urine specimen tube is preferred. Store and transport refrigerated. Protect from light. Extra urine should be aliquoted into a Grey top Urine C&S tube (this grey top tube must be full to maintain perservative /sample ratio).

Method

Colorimetric/Flow Cytometry/Microscopic

Reference Ranges

Color

Appearance

Specific Gravity 1.001-1.030

pH, Urine 5.0-7.5

Protein, Ur Negative

Glucose, Ur Negative

Ketones, Ur Negative

Blood, Ur Negative

Bilirubin, Ur Negative

Leuk Esterase, Ur Negative

Nitrite, Ur Negative

Urobilinogen, Ur < 2.0 EU/dL

Microscopic Exam: No Reference Ranges listed. Any cells, casts, crystals or other microscopic elements reported must be evaluated in the clinical settings.

Test Components

Color; Appearance; Specific Gravity; pH; Protein; Glucose; Ketones; Blood; Bilirubin; Leukocyte Esterase; Nitrite; Urobilinogen; Microscopic Exam if Indicated

CPT Codes

81001

Rejection Criteria

Specimens that have been at room temperature longer than 2 hours

Test Limitations

Protect from light.