Test ID A2M Alpha-2-Macroglobulin, Serum
Useful For
Evaluating patients with nephrotic syndrome and pancreatitis
Method Name
Nephelometry
Reporting Name
Alpha-2-Macroglobulin, SSpecimen Type
SerumSpecimen 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
Performing Laboratory
Mayo Clinic Laboratories in RochesterCPT 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 daysNY State Approved
YesForms
If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Test Request (T728) with the specimen.