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Test Code A2MG Alpha-2-Macroglobulin, Serum

Additional Codes

Mayo Test ID
A2M

Reporting Name

Alpha-2-Macroglobulin, S

Useful For

Evaluating patients with nephrotic syndrome and pancreatitis

Method Name

Nephelometry

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 a plastic vial


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

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

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Reference Values

≤18 years: 178-495 mg/dL

>18 years: 100-280 mg/dL

Day(s) Performed

Monday through Friday

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

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.

Report Available

1 to 3 days