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Albumin (Microalbumin), Urine, Timed

Mnemonic

U TM ALB

Synonym

Microalbumin

Includes

Urine Albumin (Microalbumin), Urine Albumin/Day

Specimen Collection Requirements

Collect

Preferred: 24 hour urine without preservatives, refrigerate during collection. Also Acceptable: Other timed urine collections.

Handling

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

Preferred Volume

2.0 mL urine

Minimum Volume

0.5 mL urine

Transport

Refrigerated (2-8°C)

Stability

Room Temperature (18-26°C): 7 days; Refrigerated (2-8°C): 28 days; Frozen (≤-20°C): 28 days

Do not exceed 8 freeze/thaw cycles.

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Immunoturbidimetry

Reference Values

Reference Values

At rest: <30 mg/day
Ambulatory: <100 mg/day
Increased by exercise or manual labor

CPT Codes

82043

Last Updated: Monday, September 30, 2019 10:24:23 PM


Client Services: 503-413-1234