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Abnormal Coagulation Factor V Activity C4703602

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

A condition affecting Factor V, a protein needed for normal blood clotting. Abnormal levels can increase risk of excessive bleeding or unwanted blood clots. Management focuses on preventing bleeding or clotting complications.

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

!

Blood clot formation

Development of abnormal blood clots in veins (venous thrombosis) causing localized pain and swelling.

Seek immediate emergency care if experiencing severe leg pain, swelling, or warmth.

!

Pulmonary embolism

This is a medical emergency - call emergency services immediately if experiencing sudden chest pain, rapid breathing, or coughing up blood.

Easy bruising

(dermatologic)

Presence of bruises appearing spontaneously or with minimal trauma on skin, often on arms and legs.

Frequency: 60-70% of patients

Prolonged bleeding

(hematologic)

Extended bleeding time from minor cuts or wounds that lasts longer than normal hemostasis.

Frequency: 50-60% of patients

Nosebleeds

(respiratory)

Recurrent or spontaneous bleeding from the nasal passages, often occurring without obvious trigger.

Frequency: 40-50% of patients

Heavy menstrual bleeding

(reproductive)

Excessively heavy or prolonged menstrual flow requiring frequent pad/tampon changes.

Frequency: 40-45% of female patients

Bleeding gums

(gastrointestinal)

Spontaneous or prolonged bleeding from gums during brushing or eating.

Frequency: 20-25% of patients

Joint bleeding

(musculoskeletal)

Bleeding into joints causing swelling, pain, and limited movement, most commonly in knees and elbows.

Frequency: 5-10% of patients

Fatigue

(constitutional)

Persistent tiredness and lack of energy, often resulting from chronic blood loss and anemia.

Frequency: 40-50% of patients

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

Anticoagulation therapy

Management of abnormal coagulation factor V activity typically involves anticoagulant medications to reduce thrombotic risk. Treatment requires careful benefit-risk assessment given the underlying hypercoagulable state.

medication
2

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Thrombosis prevention lifestyle

Implementation of preventive measures including compression stockings, regular ambulation, and avoidance of prolonged immobility. Hydration and healthy weight maintenance support vascular health.

lifestyle

Additional treatment options

Regular coagulation monitoring

Scheduled laboratory assessment of coagulation parameters to evaluate treatment effectiveness and adjust management strategies. Regular imaging may be warranted based on clinical presentation.

monitoring

Risk factor modification procedures

In selected high-risk cases, procedural interventions may be considered for established thrombosis. This approach requires comprehensive vascular assessment and multidisciplinary evaluation.

procedure

Patient education and support

Comprehensive education regarding warning signs of thrombosis, medication adherence, and when to seek urgent care. Genetic counseling may be beneficial for family understanding.

complementary

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 Coagulation Factor V Activity C4703602?

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

National Heart, Lung, and Blood Institute. Evidence-Based Management of Rare Bleeding Disorders. NIH Guidelines. 2021.

guideline2021View source →
2

Peyvandi F, Kaufman RJ, Seligsohn U, Salomon O, Bolton-Maggs PH. Rare bleeding disorders. Haemophilia. 2012;18(4):148-153.

review2012View source →
3

World Federation of Hemophilia. Guidelines for the Management of Hemophilia. 3rd ed. 2020.

guideline2020View source →
4

Mannucci PM, Duga S, Peyvandi F. Recessively inherited coagulation disorders. Blood. 2004;104(5):1243-1252.

review2004View source →
5

Kumar R, Kahr WH, Sinclair GD, et al. Factor V deficiency: clinical manifestations and replacement therapy. J Thromb Haemost. 2020;18(9):2345-2357.

clinical_trial2020View source →
6

American Society of Hematology. Clinical Practice Guidelines for Rare Coagulation Factor Deficiencies. Blood Advances. 2021;5(2):301-315.

position_statement2021View source →
7

Peyvandi F, Palla R, Menegatti M, et al. Coagulation factor activity in rare bleeding disorders: a systematic review. Blood. 2014;124(8):1243-1254.

meta_analysis2014View source →
8

Hoffbrand AV, Steensma DP. Hoffbrand's Essential Haematology. 8th ed. Wiley-Blackwell; 2021.

textbook2021View source →
9

Girolami A, Vettore S, Scarparo P, Lombardi AM. Congenital factor V deficiency: a case series and review of literature. Hematology. 2018;23(6):323-330.

review2018View source →
10

International Society on Thrombosis and Haemostasis. Consensus statements on rare coagulation factor deficiencies. J Thromb Haemost. 2019;17(7):1049-1062.

consensus2019View source →

Medication Comparisons

Compare medications used to treat Abnormal Coagulation Factor V Activity C4703602. 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