Test ID RA1U Alpha-1-Microglobulin, Random, Urine
Specimen Required
Container/Tube: Plastic, 5-mL tube
Specimen Volume: 5 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative.
Secondary ID
610364Useful For
Assessment of renal tubular injury or dysfunction using random urine specimens
Screening for tubular abnormalities
Detecting chronic asymptomatic renal tubular dysfunction (2)
Specimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 7 days |
| Frozen | 7 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
ALPHA 1- MICROGLOBULIN/CREATININE RATIO:
≥18 years: <35 mg/g creatinine
Reference values have not been established for patients younger than 18 years of age.
CREATININE:
≥18 years old: 16-326 mg/dL
Reference values have not been established for patients younger than 18 years of age.
Day(s) Performed
Monday, Wednesday and Friday
Report Available
1 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
83883
82570
Forms
If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.