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Phenobarbital
Blood
Phenobarbital
Also known as: Luminal Level, Phenobarb
COMMON RANGE
10 – 40
µg/mL
7
43
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
µg/mL
=
25
mcg/mL
=
25
ug/mL
Reference ranges across 10+ sources
Adult reference ranges from 4 entries across 4 named sources, shown in µg/mL. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18y
15 – 40 µg/mL
↗
M
Mayo Clinic Laboratories
All
≥18y
10 – 40 µg/mL
↗
L
Labcorp
All
≥18y
15 – 40 µg/mL
↗
Q
Quest Diagnostics
All
≥18y
15 – 40 µg/mL
↗
A
ARUP Laboratories
All · ≥18y
↗
15 – 40 µg/mL
M
Mayo Clinic Laboratories
All · ≥18y
↗
10 – 40 µg/mL
L
Labcorp
All · ≥18y
↗
15 – 40 µg/mL
Q
Quest Diagnostics
All · ≥18y
↗
15 – 40 µg/mL
Related biomarkers
Often tested alongside phenobarbital 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
L
Labcorp
Q
Quest Diagnostics
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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