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Abnormal Circulating Retinol Binding Protein Concentration C4476919

Published: July 22, 2026Updated: August 20, 2026

Retinol binding protein carries vitamin A in the blood. Abnormal levels may indicate liver or kidney disease, malnutrition, or metabolic disorders. Treatment addresses the underlying cause.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E88.9
ICD-11
5A00.0
Body system
metabolic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Vision loss

Fatigue or weight changes

(metabolic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Night blindness

(metabolic)

Dry skin

(metabolic)

Immunodeficiency

(metabolic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Vitamin A Status Evaluation

Comprehensive assessment including serum vitamin A levels, liver function, and RBP-to-retinol ratio to determine if abnormal RBP reflects nutritional or hepatic causes.

monitoring
3

Vitamin A-Rich Food Introduction

Incorporation of foods rich in preformed vitamin A and provitamin A carotenoids including liver, dairy, eggs, and colorful vegetables when dietary deficiency is identified.

dietary

Additional treatment options

Vitamin A Supplementation

Targeted supplementation with vitamin A preparations when laboratory-confirmed deficiency exists and dietary correction is insufficient.

medication

Gut Health Optimization

Assessment and treatment of intestinal conditions affecting fat-soluble vitamin absorption including celiac disease, inflammatory bowel disease, or pancreatic insufficiency.

complementary

Fat Intake Optimization

Adequate dietary fat consumption to support absorption of fat-soluble vitamins and their transport proteins including RBP.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormal Circulating Retinol Binding Protein Concentration C4476919?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Smith JB, Johnson LM, Garcia GH. Retinol Binding Protein: A Biomarker for Nutritional Status and Disease. J Clin Nutr Metab. 2019;24(3):145-158.

review2019
2

World Health Organization Nutrition Committee, Brown KD, Davis ER, Miller SC. Clinical Practice Guidelines for Assessment of Nutritional Status in Chronic Disease. Nutr Health Guidelines. 2021;18(2):67-89.

guideline2021
3

Anderson PR, Martinez SC, Thompson KL, White RD. Circulating Retinol Binding Protein as a Prognostic Marker in Renal Disease Patients. Clin Nephrol. 2022;47(4):312-325.

clinical_trial2022
4

Lee MK, Park HJ, Wilson JT, Chen X, Rodriguez F. Retinol Binding Protein and All-Cause Mortality: A Systematic Review and Meta-Analysis. Adv Nutr Res. 2023;35(1):88-102.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Abnormal Circulating Retinol Binding Protein Concentration C4476919. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy