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Alpha-2 Macroglobulin

Blood

Alpha-2 Macroglobulin

Also known as: A2M, Alpha-2M

COMMON RANGE

100 – 280

mg/dL

80.7

312

M

Mayo Clinic Laboratories

Adult

See all sources ↓

CONVERT & COMPARE

mg/dL

=

1.9

g/L

Reference ranges by source

Published adult intervals: 3, from 3 named sources, shown in mg/dL.

SOURCE

SEX

AGE

RANGE

VISUAL

CITE

A

ARUP Laboratories

All

≥18y

131 – 293 mg/dL

M

Mayo Clinic Laboratories

All

≥18y

100 – 280 mg/dL

Q

Quest Diagnostics

All

≥18y

106 – 279 mg/dL

A

ARUP Laboratories

All · ≥18y

131 – 293 mg/dL

M

Mayo Clinic Laboratories

All · ≥18y

100 – 280 mg/dL

Q

Quest Diagnostics

All · ≥18y

106 – 279 mg/dL

Related biomarkers

More tests in the blood category.

White Blood Cells (WBC)

Red Blood Cells (RBC)

Hemoglobin (Hgb)

Hematocrit (Hct)

Platelets (PLT)

Mean Corpuscular Volume (MCV)

Sources

ARUP Laboratories

Mayo Clinic Laboratories

Quest Diagnostics

Last updated 2026-05-02

This page presents source-specific reference data and sourced explanations. For general wellness information only. This is not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.

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