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Free Fatty Acids
Blood
Free Fatty Acids
Also known as: FFA, NEFA, Non-Esterified Fatty Acids
COMMON RANGE
0 – 0.72
mEq/L
0
0.792
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
mEq/L
=
0.4
mmol/L
Reference ranges across 10+ sources
Adult reference ranges from 4 entries across 4 trusted sources, shown in mEq/L. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18
0.1 – 0.609 mEq/L
↗
M
Mayo Clinic Laboratories
All
≥18
0 – 0.72 mEq/L
↗
Q
Quest Diagnostics
All
≥18
0.092 – 0.611 mEq/L
↗
L
Labcorp
All
≥18
0.099 – 0.629 mEq/L
↗
A
ARUP Laboratories
All · ≥18
↗
0.1 – 0.609 mEq/L
M
Mayo Clinic Laboratories
All · ≥18
↗
0 – 0.72 mEq/L
Q
Quest Diagnostics
All · ≥18
↗
0.092 – 0.611 mEq/L
L
Labcorp
All · ≥18
↗
0.099 – 0.629 mEq/L
Related biomarkers
Often tested alongside free fatty acids 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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