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Test Code A2M Alpha-2-Macroglobulin, Serum

Reporting Name

Alpha-2-Macroglobulin, S

Useful For

Evaluation of patients with nephrotic syndrome and pancreatitis

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 1 mL


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 21 days
  Frozen  28 days
  Ambient  72 hours

Reference Values

100-280 mg/dL

Day(s) and Time(s) Performed

Monday through Saturday; 3 p.m.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

83883

LOINC Code Information

Test ID Test Order Name Order LOINC Value
A2M Alpha-2-Macroglobulin, S 1835-8

 

Result ID Test Result Name Result LOINC Value
A2M Alpha-2-Macroglobulin, S 1835-8

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Method Name

Nephelometry

Forms

If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Client Test Request (T728) with the specimen.