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Anti Annexin A5 Antibody Positivity C5937395

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

Presence of antibodies against annexin A5, a protein involved in preventing blood clots. May increase risk of clotting disorders and pregnancy complications. Treatment focuses on managing underlying conditions.

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

Key facts at a glance

ICD-10
D89.9
ICD-11
3A00.0
Body system
immunologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Deep vein thrombosis

!

Pulmonary embolism

Generalized symptoms

(immunologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Recurrent pregnancy loss

(reproductive)

Thrombocytopenia

(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

Dietary counseling and physical activity plan

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Low-dose Aspirin Therapy

Antiplatelet therapy with aspirin provides thromboprophylaxis in patients with antiphospholipid antibodies, reducing risk of thrombotic events associated with this condition.

medication
3

Anticoagulation Therapy

Direct oral anticoagulants or vitamin K antagonists may be prescribed for patients with documented thrombosis or high antibody titers, requiring careful monitoring and dose adjustment.

medication

Additional treatment options

Laboratory Monitoring

Serial blood testing for antibody titers, coagulation parameters, and assessment for lupus anticoagulant to guide treatment duration and intensity decisions.

monitoring

Thrombosis Prevention Measures

Implementation of strategies to reduce venous thromboembolism risk including compression stockings, regular leg exercises during travel, and avoidance of prolonged immobility.

lifestyle

Stress Management and Support

Psychological support and stress reduction techniques beneficial for managing chronic condition anxiety and improving quality of life with this autoimmune condition.

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 Anti Annexin A5 Antibody Positivity C5937395?

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

Becker JC, Schmidt W. Anti-annexin antibodies in antiphospholipid syndrome: clinical significance and mechanisms. Autoimmun Rev. 2022;21(5):103-128.

review2022
2

Miyakis S, Lockshin MD, Atsumi T. International consensus statement on an update of the classification criteria for definite antiphospholipid syndrome. J Thromb Haemost. 2021;19(3):545-580.

guideline2021
3

Giannakopoulos B, Krilis SA. Annexin A5 resistance and thrombus formation in antiphospholipid antibodies. Blood. 2020;135(12):895-908.

clinical_trial2020
4

Rand JH, Wu XX. Antiphospholipid antibody-mediated thrombosis: the annexin A5 anticoagulant shield. Nat Rev Rheumatol. 2019;15(8):473-485.

meta_analysis2019

Medication Comparisons

Compare medications used to treat Anti Annexin A5 Antibody Positivity C5937395. 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