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Retinol Binding Protein

Blood

Retinol Binding Protein

Also known as: RBP, Serum RBP

COMMON RANGE

1.5 – 6.7

mg/dL

0.98

7.22

Mayo Clinic Laboratories

Adult

↗

See all sources ↓

CONVERT & COMPARE

mg/dL

mg/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

ARUP Laboratories

All

≥18

2.81 – 5.92 mg/dL

↗

Mayo Clinic Laboratories

All

≥18

1.5 – 6.7 mg/dL

↗

Quest Diagnostics

All

≥18

2.96 – 6.16 mg/dL

↗

Labcorp

All

≥18

2.95 – 5.6 mg/dL

↗

ARUP Laboratories

All · ≥18

↗

2.81 – 5.92 mg/dL

Mayo Clinic Laboratories

All · ≥18

↗

1.5 – 6.7 mg/dL

Quest Diagnostics

All · ≥18

↗

2.96 – 6.16 mg/dL

Labcorp

All · ≥18

↗

2.95 – 5.6 mg/dL

Related biomarkers

Often tested alongside retinol binding protein 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

ARUP Laboratories

Mayo Clinic Laboratories

Quest Diagnostics

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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