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Erythrocytosis Familial 6 C4693822

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

A rare inherited disorder causing the body to produce too many red blood cells, increasing blood thickness and clot risk.

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

Key facts at a glance

ICD-10
D64.9
ICD-11
3A00.0
Body system
hematologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Chest pain

Generalized symptoms

(hematologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Headache

(hematologic)

Fatigue

(hematologic)

Aquagenic pruritus

(hematologic)

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

Behavioral and nutritional therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Therapeutic Phlebotomy

Standard treatment involving regular removal of blood to reduce red cell mass, with individualized target hematocrit goals based on symptoms and risk factors.

procedure
3

Vigilant Hematocrit Surveillance

Close monitoring of hematocrit levels with adjustments to phlebotomy frequency based on individual variation and environmental factors.

monitoring

Additional treatment options

Thrombosis Prophylaxis

When indicated, anticoagulant or antiplatelet therapy to prevent clot formation in patients with additional thrombotic risk factors.

medication

Cardiovascular Fitness Program

Moderate, regular exercise to maintain healthy circulation and cardiovascular function without overexertion that could increase oxygen demand.

lifestyle

Mediterranean-Style Diet

Emphasis on anti-inflammatory foods including olive oil, fish, vegetables, and whole grains to support vascular health and reduce cardiovascular risk.

dietary

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 Erythrocytosis Familial 6 C4693822?

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

Lee J, Patel R, Kim S. Familial Erythrocytosis: Genetic Mechanisms and Clinical Management. Blood Rev. 2022;36(4):100-112.

review2022
2

Smith JO, Johnson AB, Williams CD. Clinical Practice Guidelines for Inherited Erythrocytosis Disorders. Haematologica. 2021;106(8):2100-2115.

guideline2021
3

Brown ML, Garcia NH, Martinez PL. Novel Mutations in Familial Erythrocytosis Type 6: Clinical and Molecular Characterization. Br J Haematol. 2023;201(3):456-468.

clinical_trial2023
4

Chen W, Anderson R, Davis T. Treatment Outcomes in Primary Familial Erythrocytosis: A Systematic Review and Meta-Analysis. J Clin Oncol. 2020;38(15_suppl):7023-7031.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Erythrocytosis Familial 6 C4693822. 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