Feedback
Microalbumin, Urine
0050203
Ordering Recommendation
Detect early kidney disease in those with diabetes or other risk factors (eg, hypertension).
Mnemonic
ALB/CRT
Methodology
Quantitative Immunoturbidimetry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
24-hour urine. Refrigerate during collection. Also acceptable: Random or other timed urine.  
Specimen Preparation
Transfer 1 mL aliquot of urine from a well-mixed collection to an ARUP Standard Transport Tube. (Min: 0.5 mL) Record total volume and collection time interval on transport tube and test request form.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
 
Remarks
 
Stability
Ambient: 1 week; Refrigerated: 1 month; Frozen: 6 months (avoid repeated freeze/thaw cycles)  
Reference Interval
Test Number
Components
Reference Interval
0020473Creatinine, 24-Hour Urine
Age
Male
Female
3-8 years140-700 mg/d140-700 mg/d
9-12 years300-1300 mg/d300-1300 mg/d
13-17 years500-2300 mg/d400-1600 mg/d
18-50 years1000-2500 mg/d700-1600 mg/d
51-80 years800-2100 mg/d500-1400 mg/d
81 years and older600-2000 mg/d400-1300 mg/d

 Creatinine, Urine - per volumeNo reference interval
 Microalbumin - mg/dLNo reference interval
 Microalbumin - microg/minute0-20 µg/minute
 Microalbumin - mg/day2-30 mg/day
 Microalbumin/Creatinine Ratio0-30 mg/g

Interpretive Data


Note
To convert from mg/g creatinine to mg/mmol of creatinine multiply by 0.113.
CPT Code(s)
82570; 82043
Components
Component Test Code*Component Chart NameLOINC
0020207Creatinine, Urine - per volume2161-8
0020208Creatinine, Urine - per 24h2162-6
0050583Microalbumin - mg/dL30003-8
0050678Microalbumin/Creatinine Ratio14958-3
0097110Total Volume19153-6
0097111Hours Collected30211-7
0099081Microalbumin - ug/minute58448-2
0099082Microalbumin - mg/day14956-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • ACR
  • ALB/CR ratio
  • Albumin
  • Albumin, Urine
  • Albumin-to-Creatinine Ratio
  • Albumin/Creatinine Ratio
  • Microalbumin, Random Collection
  • Microalbumin, Random Urine
  • Microalbumin/Creatinine Ratio
  • Random Microalbuminuria
  • Random Microalbuminuria, Urine
  • Urine Albumin