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Urine albumin/creatinine ratio, 24-hour-634

Test info

Test name:

Urine albumin/creatinine ratio, 24-hour

Test number:

634

Excellian order number:

82043.1

Abbreviation:

MAQ

Alternate names:

Albumin excretion rate
Microalbumin, 24-hour urine

Tests included:

Creatinine

Specimen

Specimen type:

Urine, 24 hr

Collection container:

24 hr urine collection container, no additive

Volume:

8 mL aliquot of a 24 hour collection

Collection instructions:

How to collect a 24 hr urine sample

Processing instructions:

Measure total urine volume on request and/or aliquot
Mix specimen well
Transfer 8 mL of urine to a Urine aliquot transport vial/tube - 10mL (AHL)
Record the total volume on request and/or aliquot tube

Transport container:

Urine aliquot transport vial/tube - 10mL (AHL)

Alternate transport container:

24 hr urine collection container, no additive

Transport and stability:

Refrigerated - 1 month

Frozen - 6 months

Ambient - 7 days

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Delay in transport
Improper storage temperature affecting results
Inappropriate timing of collection
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performance

Performing lab:

AHL - Chemistry: C

Days set up:

Daily

TAT:

1 day

Method:

Immunoturbidimetric

Clinical and Interpretive info

Reference ranges:

< 30 mg/24 hours

Billing

CPT codes:

82043

Tracking

Date created:

11/30/2001

Revised date:

03/01/2023

Review date:

12/02/2021