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Lab Test Reference Manual
Human Reference Manual
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22886
Lab Test Reference Manual
Human Reference Manual
Currently selected
22886
Microalbumin, Random Urine (U MA)
Marshfield Lab Public WebSite
Marshfield Clinic Public WebSite
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Site Contents
Microalbumin, Random Urine (U MA)
Test Code: MA-RU
Overview
Ordering
Specimen
Performing
Clinical/Interpretive
Contacts
Coding
Synonyms/Keywords
Synonyms, Keywords
U MA, Albumin/Creatinine ratio, Microalbumin-random urine
Test Components
Test Components
Albumin, Creatinine and Albumin/Creatinine Ratio
Useful For
Useful For
The urinary albumin level is an excellent predictor of progression to nephropathy in both insulin-dependent and non-insulin-dependent diabetes. Measurement of albumin excretion in an overnight collection of urine is generally considered the best measurement; however, 24 hour urines and random urines may also be used. In random urines, the ratio of albumin to creatinine is recommended as a marker although albumin concentration has also been used.
Specimen Requirements
Specimen Requirements
Fasting Required
Specimen Type
Preferred Container/Tube
Acceptable Container/Tube
Specimen Volume
Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No
Urine, Random
Urine 10 mL tube (no preservative)
Sage cup (no preservative)
10 mL aliquot
6 mL
1.0 mL
Collection Processing Instructions
Collection Processing
10 mL aliquot from a morning specimen (1st or 2nd morning voiding is preferred).
Specimen Stability Information
Specimen Stability Information
Specimen Type
Temperature
Time
Urine
Refrigerate
7 days
Rejection Criteria
Rejection Criteria
Frozen samples
Specimens collected with acid preservatives
Specimens from patients with urinary tract infections, or exhibiting significant bacterial growth
Performing Laboratory Information
Performing Laboratory Information
Performing Location
Day(s) Test Performed
Analytical Time
Methodology/Instrumentation
Weston
Monday through Sunday
Less than 2 hours
Particle Enhanced Turbidimetric Inhibition Immunoassay (Petinia) Technique/Siemens Dimension
Eau Claire
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Ladysmith
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Park Falls
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Rice Lake
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Marshfield
Monday through Sunday
6-8 hours
Turbidimetric method/Beckman Coulter AU5800
Minocqua
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Neillsville
Monday through Sunday
Less than 2 hours
Particle Enhanced Turbidimetric Inhibition Immunoassay (Petinia) Technique/Siemens Dimension
Stevens Point
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Reference Range Information
Reference Range Information
Performing Location
Reference Range
All Performing Sites
Ratio Albumin/Creatinine
0-30 ug albumin/ mg creatinine
Interpretation
Interpretations
Microalbuminuria is a reversible condition characterized by increased urinary excretion of albumin in the absence of overt proteinuria. It occurs in diabetic and hypertensive patients and is generally treatable by blood pressure-lowering medications. Using this therapy, progression to an irreversible state of macroalbuminuria can be prevented or delayed for a decade or more. Conventional dipstick and acid precipitation tests for detecting protein in urine lack the sensitivity required to delineate this condition. Dipsticks may yield negative results even when the albumin excretion rate is 10 or 20 times normal. Nephelometry enables sufficient sensitivity to detect albumin at these levels.
Outreach CPTs
Outreach CPT Codes
CPT
Modifier
(if needed)
Quantity
Description
Comments
82043
82570
Synonyms/Keywords
Synonyms, Keywords
U MA, Albumin/Creatinine ratio, Microalbumin-random urine
Test Components
Test Components
Albumin, Creatinine and Albumin/Creatinine Ratio
Ordering Applications
Ordering Applications
Ordering Application
Description
Cerner
Microalbumin, Random Urine
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Requirements
Fasting Required
Specimen Type
Preferred Container/Tube
Acceptable Container/Tube
Specimen Volume
Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No
Urine, Random
Urine 10 mL tube (no preservative)
Sage cup (no preservative)
10 mL aliquot
6 mL
1.0 mL
Collection Processing
Collection Processing
10 mL aliquot from a morning specimen (1st or 2nd morning voiding is preferred).
Specimen Stability Information
Specimen Stability Information
Specimen Type
Temperature
Time
Urine
Refrigerate
7 days
Rejection Criteria
Rejection Criteria
Frozen samples
Specimens collected with acid preservatives
Specimens from patients with urinary tract infections, or exhibiting significant bacterial growth
Useful For
Useful For
The urinary albumin level is an excellent predictor of progression to nephropathy in both insulin-dependent and non-insulin-dependent diabetes. Measurement of albumin excretion in an overnight collection of urine is generally considered the best measurement; however, 24 hour urines and random urines may also be used. In random urines, the ratio of albumin to creatinine is recommended as a marker although albumin concentration has also been used.
Test Components
Test Components
Albumin, Creatinine and Albumin/Creatinine Ratio
Reference Range Information
Reference Range Information
Performing Location
Reference Range
All Performing Sites
Ratio Albumin/Creatinine
0-30 ug albumin/ mg creatinine
Interpretation
Interpretations
Microalbuminuria is a reversible condition characterized by increased urinary excretion of albumin in the absence of overt proteinuria. It occurs in diabetic and hypertensive patients and is generally treatable by blood pressure-lowering medications. Using this therapy, progression to an irreversible state of macroalbuminuria can be prevented or delayed for a decade or more. Conventional dipstick and acid precipitation tests for detecting protein in urine lack the sensitivity required to delineate this condition. Dipsticks may yield negative results even when the albumin excretion rate is 10 or 20 times normal. Nephelometry enables sufficient sensitivity to detect albumin at these levels.
For more information visit:
http://labtestsonline.org
Performing Laboratory Information
Performing Laboratory Information
Performing Location
Day(s) Test Performed
Analytical Time
Methodology/Instrumentation
Weston
Monday through Sunday
Less than 2 hours
Particle Enhanced Turbidimetric Inhibition Immunoassay (Petinia) Technique/Siemens Dimension
Eau Claire
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Ladysmith
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Park Falls
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Rice Lake
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Marshfield
Monday through Sunday
6-8 hours
Turbidimetric method/Beckman Coulter AU5800
Minocqua
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
Neillsville
Monday through Sunday
Less than 2 hours
Particle Enhanced Turbidimetric Inhibition Immunoassay (Petinia) Technique/Siemens Dimension
Stevens Point
Monday through Sunday
Less than 2 hours
Tur
bidimetric method/Beckman Coulter AU
For billing questions, see Contacts
Outreach CPTs
Outreach CPT Codes
CPT
Modifier
(if needed)
Quantity
Description
Comments
82043
82570
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For most current information refer to the Marshfield Laboratory online reference manual.