Urinalysis (81003)

Specimen Container

Cup, urine vacutainer, urine tube with preservative

Specimen Collection Type

Urine

Minimum Volume To Collect (Ml)

5 mL

Pediatric Volume To Collect (Ml)

0.5 mL

Specimen Preparation

Transport the specimen to the laboratory as soon as possible, ideally within 2 hours.

If immediate transport is not possible, refrigerate at 2–8°C for up to 24 hours.

Do not freeze unless specifically instructed by the laboratory.

Protect the specimen from direct sunlight, heat, and agitation.

Mix gently before aliquoting for testing.

Stability

Ambient Stability: 24 hrs
Refrig Stability: 72 hrs
Frozen Stability: Unable

Preferred Transportation Temperature

REFRIGERATED

Performed

Sun-Sat

Reported

A day after collection

Methodology

Dipstick

Lab Department

Molecular

Testing Location

RML

Synonyms

urinalysis
UA
Urine microscopy only
Microscopic, Urine
Microscopic urine
Urine microscopic
Urine microscope
Urine microscopy

Test OR Panel

Panel

Test Includes

*LEU, NIT, URO, PRO, pH, BLO, SG, KET, BIL, GLU

Interferences

Prolonged storage at room temperature can lead to bacterial growth, degradation of nucleic acids, and invalid PCR results.

Contamination with feces, disinfectants, or other fluids may interfere with PCR detection.

Improper labeling or handling can compromise the integrity and traceability of the sample.

High protein, glucose, or hematuria may affect downstream molecular analysis depending on the target.

Misc Instructions

Confirm the specimen is properly labeled and sealed prior to transport.

Use a biohazard transport bag for safe handling.

Avoid collection immediately after vigorous exercise or excessive fluid intake if relevant to testing protocol.

Ensure adherence to standard molecular specimen handling procedures.

Notify the laboratory of any patient medications or conditions that may interfere with urinalysis or molecular testing.

CPT Codes

81003

LOINC

5804‑0

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