MyBloodTest
Biomarkers
Home
›
Biomarkers
›
Antithrombin III
Blood
Antithrombin III
Also known as: AT-III, AT3, Antithrombin
COMMON RANGE
80 – 130
%
69
141
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
%
=
105
IU/dL
Reference ranges across 10+ sources
Adult reference ranges from 2 entries across 2 named sources, shown in %. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
M
Mayo Clinic Laboratories
All
≥18y
80 – 130 %
↗
L
Labcorp
All
≥18y
75 – 135 %
↗
M
Mayo Clinic Laboratories
All · ≥18y
↗
80 – 130 %
L
Labcorp
All · ≥18y
↗
75 – 135 %
Related biomarkers
Often tested alongside antithrombin iii 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
M
Mayo Clinic Laboratories
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.
Track your antithrombin iii in MyBloodTest
Instant lab report scanning, personalized wellness insights, automatic wellness app syncing. All in one app.
Download on the
App Store
Get it on
Google Play
Free · iOS · Android · Web
MyBloodTest
© 2026 Joelis labs, UAB. All rights reserved.