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Glucose (Fasting)
Blood
Glucose (Fasting)
COMMON RANGE
70 – 100
mg/dL
60.5
115
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
mg/dL
=
4.72
mmol/L
Reference ranges across 10+ sources
Adult reference ranges from 10 entries across 10 trusted sources, shown in mg/dL. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18
65 – 99 mg/dL
↗
M
Mayo Clinic Laboratories
All
≥18
70 – 100 mg/dL
↗
Q
Quest Diagnostics
All
≥18
65 – 99 mg/dL
↗
L
Labcorp
All
≥18
70 – 100 mg/dL
↗
W
World Health Organization
All
≥18
70 – 110 mg/dL
↗
R
RCPA / AACB Australasian Harmonised Reference Intervals
All
≥18
70 – 99 mg/dL
↗
N
Nordic Reference Interval Project
All
≥18
74 – 106 mg/dL
↗
U
UK Pathology Harmony
All
≥18
70 – 100 mg/dL
J
JSCC / JAMT Japan
All
≥18
73 – 109 mg/dL
T
Turkey Nationwide Reference Intervals
All
≥18
74 – 106 mg/dL
A
ARUP Laboratories
All · ≥18
↗
65 – 99 mg/dL
M
Mayo Clinic Laboratories
All · ≥18
↗
70 – 100 mg/dL
Q
Quest Diagnostics
All · ≥18
↗
65 – 99 mg/dL
L
Labcorp
All · ≥18
↗
70 – 100 mg/dL
W
World Health Organization
All · ≥18
↗
70 – 110 mg/dL
R
RCPA / AACB Australasian Harmonised Reference Intervals
All · ≥18
↗
70 – 99 mg/dL
N
Nordic Reference Interval Project
All · ≥18
↗
74 – 106 mg/dL
U
UK Pathology Harmony
All · ≥18
70 – 100 mg/dL
J
JSCC / JAMT Japan
All · ≥18
73 – 109 mg/dL
T
Turkey Nationwide Reference Intervals
All · ≥18
74 – 106 mg/dL
Related biomarkers
Often tested alongside glucose (fasting) 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
W
World Health Organization
R
RCPA / AACB Australasian Harmonised Reference Intervals
N
Nordic Reference Interval Project
U
UK Pathology Harmony
J
JSCC / JAMT Japan
T
Turkey Nationwide Reference Intervals
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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