MICROALBUMIN, urine(087-7049)
Synonyms: MA; Albumin, urine
CPT 4 Code: 82043
Test Order Mnemonic: MICROALB
Test Includes: Urine volume, microalbumin
concentration, microalbumin excretion, urine creatinine
Lab: Clinical Chemistry
Request Form: Routine Chemistry Form 1
Patient Preparation: Patient should refrain from
vigorous exercise 24 hours prior to urine collection.
Collection: A 24-hour specimen is preferred; a first
morning specimen is acceptable
Storage Instructions: Refrigerate specimen during
collection and until delivered to the laboratory.
Causes for Rejection: Specimen collected with any
preservative, gross hematuria, gross blood contamination, glass collection containers.
Availability: Samples are received 24 hours per day
at Sample Management, Room 5.136 McCullough.
Turnaround Time: Test is performed Monday –
Friday.
Special Instructions: Note volume of urine and
number of hours of collection on the request form. Note date and time the collection is
started and finished.
Specimen: Urine
Volume: Entire amount of urine collected is
preferred; 20 mL aliquot of well-mixed 24-hour urine or 10 mL of first morning urine is
acceptable
Minimum Volume: 3 mL urine
Container: 3 mL brown plastic jug with no
preservative or sterile 4 oz plastic container with screw cap
Reference Ranges: Adult Microalbumin: Random: 0-45
mcg/mL; 24 hr: 0-20 mcg/min
