Test Details

Mnemonic

USULF

Ordering Code

3624100

CPT-4 Code(s)

84392

Specimen Information

Collect

24 hour urine, keep refrigerated during collection
more

Specimen Preparation

Mix well and send 4.0 mL urine frozen in a screw-capped plastic vial. CRITICAL FROZEN.
more

Minimum Volume

2.0 mL
more

Transport Temperature

Critical frozen
more

Rejection Criteria

Room temperature specimens
more

Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days
more

Methodology

Quantitative Spectrophotometry
more

Reference Range

6 - 30 mmol/d
more

Performing Laboratory

ARUP Reference Laboratory
more

New York DOH Approval Status

Yes
more