Test Details

Mnemonic

UOXAR

Ordering Code

1004400

CPT-4 Code(s)

83945

Specimen Information

Collect

Random urine
more

Specimen Preparation

Add 1 - 2 drops 6N HCl to 10.0 mL urine. Mix well, ensure pH 1 - 3 and send 10.0 mL urine refrigerated in a screw-capped plastic urine cup.
more

Minimum Volume

5.0 mL
more

Transport Temperature

Refrigerated
more

Rejection Criteria

pH other than 1-3
more

Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 7 days
more

Methodology

Spectrophotometry
more

Reference Range

Not available for random samples
more

Performing Laboratory

Warde Medical Laboratory
more