Microalbumin, Urine
0050203
Ordering Recommendation
 
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
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 years 140-​700 mg/d 140-​700 mg/d
9-​12 years 300-​1300 mg/d 300-​1300 mg/d
13-​17 years 500-​2300 mg/d 400-​1600 mg/d
18-​50 years 1000-​2500 mg/d 700-​1600 mg/d
51-​80 years 800-​2100 mg/d 500-​1400 mg/d
81 years and older 600-​2000 mg/d 400-​1300 mg/d
 Creatinine, Urine -​ per volume No reference interval
 Microalbumin -​ mg/dL No reference interval
 Microalbumin -​ µg/minute 0-​20 µg/minute
 Microalbumin -​ mg/day 2-​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 volume20624-3
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