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Test Code A2M Alpha-2-Macroglobulin, Serum

Reporting Name

Alpha-2-Macroglobulin, S

Useful For

Evaluating patients with nephrotic syndrome and pancreatitis

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into plastic vial


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

≤18 years: 178-495 mg/dL

>18 years: 100-280 mg/dL

Day(s) Performed

Monday through Friday

Test Classification

This test has been cleared, approved, or is exempt by the US 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

Report Available

1 to 3 days

Method Name

Nephelometry

Forms

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