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Alpha-1 Antitrypsin
Blood
Alpha-1 Antitrypsin
Also known as: A1AT, AAT
COMMON RANGE
100 – 190
mg/dL
78.1
320
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
mg/dL
=
1.45
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
98.3 – 292 mg/dL
↗
M
Mayo Clinic Laboratories
All
≥18
100 – 190 mg/dL
↗
Q
Quest Diagnostics
All
≥18
101 – 300 mg/dL
↗
L
Labcorp
All
≥18
102 – 279 mg/dL
↗
A
ARUP Laboratories
All · ≥18
↗
98.3 – 292 mg/dL
M
Mayo Clinic Laboratories
All · ≥18
↗
100 – 190 mg/dL
Q
Quest Diagnostics
All · ≥18
↗
101 – 300 mg/dL
L
Labcorp
All · ≥18
↗
102 – 279 mg/dL
Related biomarkers
Often tested alongside alpha-1 antitrypsin 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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