Test Details

Mnemonic

UUAQ

Ordering Code

3427000

CPT-4 Code(s)

84560, 82570, plus 81050 if volume measurement performed

Specimen Information

Collect

24-hour urine (refrigerate during collection)

Specimen Preparation

After first morning void collect 24 hour urine. Last sample collected should be first morning void at the same time as the previous mornings first void. Mix urine well and send a 10.0 mL aliquot no preservatives room temperature in a screw-capped urine cup. Record 24 hour volume on cup. Keep urine refrigerated during collection.

Minimum Volume

2.0 mL

Transport Temperature

Room temperature

Rejection Criteria

Acid-preserved urine

Stability

Room temperature: 13 days
Refrigerated: 13 days
Frozen: 28 days

Methodology

Spectrophotometry
more

Reference Range

See report
more

Performing Laboratory

Quest SJC
more