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CA 19-9
Other
CA 19-9
COMMON RANGE
0 – 35
U/mL
0
40.7
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
Reference ranges across 10+ sources
Adult reference ranges from 4 entries across 4 trusted sources, shown in U/mL. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18
0 – 37 U/mL
↗
M
Mayo Clinic Laboratories
All
≥18
0 – 35 U/mL
↗
Q
Quest Diagnostics
All
≥18
0 – 37 U/mL
↗
L
Labcorp
All
≥18
0 – 37 U/mL
↗
A
ARUP Laboratories
All · ≥18
↗
0 – 37 U/mL
M
Mayo Clinic Laboratories
All · ≥18
↗
0 – 35 U/mL
Q
Quest Diagnostics
All · ≥18
↗
0 – 37 U/mL
L
Labcorp
All · ≥18
↗
0 – 37 U/mL
Related biomarkers
Often tested alongside ca 19-9 or part of the same panel.
Lead (Pb)
Other
Mercury (Hg)
Other
Arsenic (As)
Other
Prostate Specific Antigen (PSA)
Other
Free PSA
Other
CA-125
Other
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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