MICROALBUMIN, 24 HR Collection

Mnemonic

MICALU

Specimen Collection Requirements

Collect

24 HOUR URINE COLLECTION WITH NO PRESERVATIVES

Handling

Collect urine over 24 hours. Refrigerate during collection. Submit entire volume or mix urine well before removing aliquot. Record collection time interval and total volume on the transport tube and test request form.

Preferred Volume

Entire volume or aliquote 10 mL with recorded 24hr volume

Minimum Volume

5 mL

Transport

Refrigerated

Rejection Criteria

Specimens left at room temperature for more than 4 hours

Stability

Ambient (20-25°C): 4 hours; Refrigerated (2-8°C): 1 week; Frozen (at or below -20°C): 1 year

Testing Information

Performed

7 day/week

Referral Lab

Samaritan Health Services Laboratories-GSRMC

Reference Values

Reference Values

0-30 mg/24 hr INTERPRETATION: MICRO ALBUMIN 24 HOUR SAMPLE MG MALB/24 HRS NORMAL ALBUMINURIA: <30 MICROALBUMINURIA: 30-300 MACROALBUMINURIA: >300 Due to the variability in urine albumin excretion, two of three specimens collected within a 3 to 6 month period should be abnormal before considering a patient to have fallen into a specific category of abnormal albumin excretion.

CPT Codes

82042

Last Updated: Thursday, January 5, 2017 03:42:21 AM