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Complement C3
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Complement C3
COMMON RANGE
75 – 175
mg/dL
36.5
199
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
CONVERT & COMPARE
mg/dL
=
1.25
g/L
Reference ranges across 10+ sources
Adult reference ranges from 4 entries across 4 trusted sources, shown in mg/dL. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18
82 – 185 mg/dL
↗
M
Mayo Clinic Laboratories
All
≥18
75 – 175 mg/dL
↗
Q
Quest Diagnostics
All
≥18
82 – 185 mg/dL
↗
L
Labcorp
All
≥18
90 – 180 mg/dL
↗
A
ARUP Laboratories
All · ≥18
↗
82 – 185 mg/dL
M
Mayo Clinic Laboratories
All · ≥18
↗
75 – 175 mg/dL
Q
Quest Diagnostics
All · ≥18
↗
82 – 185 mg/dL
L
Labcorp
All · ≥18
↗
90 – 180 mg/dL
Ages 0–17 (CALIPER)
PEDIATRIC
3 age- and sex-stratified entries from the Canadian Laboratory Initiative on Pediatric Reference Intervals.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
C
CALIPER — Canadian Pediatric Reference Intervals
All
0–0.04
50 – 121 mg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
All
0.04–1
51 – 160 mg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
All
1–19
83 – 152 mg/dL
↗
C
CALIPER — Canadian Pediatric Reference Intervals
All · 0–0.04
↗
50 – 121 mg/dL
C
CALIPER — Canadian Pediatric Reference Intervals
All · 0.04–1
↗
51 – 160 mg/dL
C
CALIPER — Canadian Pediatric Reference Intervals
All · 1–19
↗
83 – 152 mg/dL
Related biomarkers
Often tested alongside complement c3 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
C
CALIPER — Canadian Pediatric 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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