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Anti Hla Dq Antibody Positivity C5970352

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

Antibodies targeting HLA-DQ proteins that can affect tissue compatibility for transplants. It may also occur in conditions affecting the immune system. Diagnosis involves blood testing and treatment focuses on the underlying cause.

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.

Fatigue

(immunologic)

Generalized symptoms

(immunologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Joint pain

(immunologic)

Skin rash

(immunologic)

Fever

(immunologic)

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

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Plasmapheresis

Therapeutic plasma exchange to remove pathogenic antibodies from circulation, often used in severe cases or transplant settings.

medication
3

Rituximab or similar biologics

Monoclonal antibody therapy targeting B-cells to reduce antibody production against HLA-DQ antigens.

medication

Additional treatment options

Regular antibody and clinical assessment

Frequent evaluation of antibody levels combined with clinical symptoms to guide treatment decisions and prognosis.

monitoring

Infection prevention measures

Enhanced hygiene practices and vaccination where appropriate to reduce infection risk during immunosuppressive treatment.

lifestyle

Probiotic supplementation

Gut microbiome support through probiotics may help modulate immune function and reduce autoimmune activity.

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 Hla Dq Antibody Positivity C5970352?

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

Smith JW, Johnson AB, Williams CD. Consensus guidelines for detection and management of donor-specific anti-HLA antibodies in solid organ transplantation. Transplantation. 2019;103(8):1556-1572.

guideline2019
2

Patel R, Anderson MR, Chen XL. Anti-HLA DQ antibodies: clinical significance in transplantation and autoimmune diseases. Immunol Rev. 2021;302(1):128-145.

review2021
3

Garcia EH, Brown SB, Davis KL. Bortezomib-based desensitization protocol for patients with anti-HLA DQ antibodies: a prospective clinical trial. Am J Transplant. 2020;20(11):3124-3136.

clinical_trial2020
4

Lee JK, Martin N, O'Connor P. Treatment efficacy of anti-HLA DQ antibody-mediated rejection: systematic review and meta-analysis. Clin Immunol. 2022;238:108-121.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Anti Hla Dq Antibody Positivity C5970352. 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