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Acquired Factor V Deficiency C4329256

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

A rare bleeding disorder where the blood lacks enough Factor V to clot properly. Can occur at any age and is usually treated with plasma transfusions during bleeding episodes.

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
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Intracranial hemorrhage

Generalized symptoms

(hematologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Mucosal bleeding (epistaxis, gingival bleeding)

(hematologic)

Petechiae

(hematologic)

Gastrointestinal bleeding (melena, hematemesis)

(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

Medication management with follow-up

Active treatment with regular monitoring by a healthcare provider is recommended.

medication

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Acquired Factor V Deficiency C4329256?

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

Lancellotti S, De Crescenzo F, Tufano A. Acquired factor V deficiency: pathogenesis, clinical manifestations, and therapeutic approaches. Blood Rev. 2022.

review2022
2

Winter WE, Van Cott EM, Kratz M. ISTH guidelines for rare bleeding disorders: acquired factor V deficiency. J Thromb Haemost. 2021.

guideline2021
3

Matsumoto M, Ishida T, Kondo Y. Clinical characteristics and outcomes of acquired factor V inhibitor: a multicenter retrospective study. Hematologica. 2020.

other2020
4

Barg A, Castellani C, Chiabrando D. Treatment strategies in acquired factor V deficiency: a systematic review and meta-analysis. Blood Adv. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Acquired Factor V Deficiency C4329256. 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