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Alpha-2 Macroglobulin
Blood

Alpha-2 Macroglobulin

Also known as: A2M, Alpha-2M
COMMON RANGE
100280
mg/dL
78.8
333
M
Mayo Clinic Laboratories
Adult
See all sources ↓
CONVERT & COMPARE
mg/dL
=
1.9
g/L

Reference ranges across 10+ sources

Adult reference ranges from 4 entries across 4 trusted sources, shown in mg/dL. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18
127 – 312 mg/dL
M
Mayo Clinic Laboratories
All
≥18
100 – 280 mg/dL
Q
Quest Diagnostics
All
≥18
136 – 312 mg/dL
L
Labcorp
All
≥18
138 – 285 mg/dL
A
ARUP Laboratories
All · ≥18
127 – 312 mg/dL
M
Mayo Clinic Laboratories
All · ≥18
100 – 280 mg/dL
Q
Quest Diagnostics
All · ≥18
136 – 312 mg/dL
L
Labcorp
All · ≥18
138 – 285 mg/dL

Related biomarkers

Often tested alongside alpha-2 macroglobulin or part of the same panel.
White Blood Cells (WBC)
Blood
Red Blood Cells (RBC)
Blood
Hemoglobin (Hgb)
Blood
Hematocrit (Hct)
Blood
Platelets (PLT)
Blood
Mean Corpuscular Volume (MCV)
Blood

Sources

A
ARUP Laboratories
M
Mayo Clinic Laboratories
Q
Quest Diagnostics
L
Labcorp
Last updated 2026-05-02
This page aggregates publicly available reference data and clinical information from Mayo Clinic Laboratories and other sources. For general wellness information only — not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.
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