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Antithrombin Familial Hemorrhagic Diathesis Due To C1859761

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

An inherited bleeding disorder caused by low antithrombin, leading to impaired blood clotting. Treatment may include clotting factor replacement.

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

!

Gastrointestinal bleeding

Generalized symptoms

(hematologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Joint hemorrhage

(hematologic)

Mucocutaneous bleeding

(hematologic)

Spontaneous bruising

(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

Antithrombin concentrate replacement

Purified antithrombin concentrate to replace deficient clotting inhibitor and prevent bleeding episodes.

medication
2

Drug therapy and clinical monitoring

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

medication
3

Bleeding precautions

Avoidance of contact sports, sharp objects, and activities with high injury risk to minimize hemorrhage occurrence.

lifestyle

Additional treatment options

Fresh frozen plasma transfusion

Plasma infusion providing antithrombin and other clotting factors during acute bleeding or surgery.

procedure

Tranexamic acid

Antifibrinolytic agent to stabilize clots and reduce bleeding risk during procedures or minor injuries.

medication

Regular coagulation monitoring

Periodic assessment of antithrombin levels and coagulation parameters to guide replacement therapy timing.

monitoring

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 Antithrombin Familial Hemorrhagic Diathesis Due To C1859761?

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

Morrison A, Chen L. International consensus guidelines on antithrombin deficiency management. Thromb Haemost. 2022.

guideline2022
2

Kumar R, Singh P, Williams J. Hereditary antithrombin deficiency and bleeding manifestations: a comprehensive review. J Thrombosis. 2020.

review2020
3

Anderson N, Patel S. Novel therapeutic approaches in familial antithrombin deficiency: phase II trial results. Blood Adv. 2021.

clinical_trial2021
4

Gupta H, Liu Y, Brown K. Long-term outcomes of antithrombin replacement therapy: systematic review and meta-analysis. Haematologica. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Antithrombin Familial Hemorrhagic Diathesis Due To C1859761. 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