ARUP's Laboratory Test Directory

Alpha-1-Microglobulin, Urine : 0050043

Mnemonic: A1M

Methodology: Quantitative Nephelometry
Performed: Wed, Sat
Reported: 1-5 days
Specimen Required: Collect: 24-hour urine. Specimen must be refrigerated during collection.

Specimen Preparation: Transfer a 4 mL aliquot from a well-mixed 24-hour collection to an ARUP Standard Transport Tube. (Min: 0.4 mL) Do not add acid or other preservatives. Record total volume and collection time interval on transport tube and test request form.

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Frozen or preserved specimens.

Stability (collection to initiation of testing): Ambient: 8 hours; Refrigerated: 8 days; Frozen: Unacceptable

Reference Interval:
0.0-1.2 mg/dL
CPT Code(s): 83883
Cross References: A1MU (Alpha-1-Microglobulin, Urine)