Test Details
Mnemonic
USULF
Ordering Code
3624100
CPT-4 Code(s)
84392
Specimen Information
Collect
24 hour urine, keep refrigerated during collection
Specimen Preparation
Mix well and send 4.0 mL urine in a screw capped plastic vial. CRITICAL FROZEN.
Minimum Volume
2.0 mL
Transport Temperature
Critical frozen
Rejection Criteria
Room temperature specimens
Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days
Refrigerated: Unacceptable
Frozen: 30 days
Methodology
Quantitative Spectrophotometry
Reference Range
6 - 30 mmol/d
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes