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Anti Hla Antibody Positivity C5558385

Published: July 22, 2026Updated: August 27, 2026

Presence of antibodies against human leukocyte antigens. Important in transplant rejection and various autoimmune disorders. Management depends on clinical context.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 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.

Generalized symptoms

(immunologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Hypertension

(cardiovascular)

Hematuria

(renal)

Proteinuria

(renal)

Graft tenderness

(abdominal)

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

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Prophylactic immunosuppression

Calcineurin inhibitors such as tacrolimus or cyclosporine, often combined with corticosteroids, help suppress antibody-mediated immune responses. Treatment intensity depends on antibody levels and clinical context.

medication
3

Serial antibody monitoring

Regular assessment of donor-specific antibody levels guides treatment decisions and predicts rejection risk. Monitoring frequency increases after transplantation or during rejection episodes.

monitoring

Additional treatment options

Therapeutic plasmapheresis

Plasma exchange removes circulating anti-HLA antibodies from the bloodstream. This procedure is particularly useful in sensitized patients or those experiencing acute rejection episodes.

procedure

B-cell targeted therapy

Rituximab depletes B-cells responsible for antibody production and may be used in cases of refractory sensitization. This biologic agent targets CD20-positive lymphocytes.

medication

Infection prophylaxis

Enhanced infection prevention measures including antimicrobial prophylaxis are essential given immunosuppressed status. Vaccination status review and prophylactic medications help reduce infectious complications.

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 Antibody Positivity C5558385?

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

Baldwin WM 3rd, Valujskikh A, Fairchild RL. The American Society of Transplantation Consensus Guidelines on the Detection and Treatment of Donor-Specific Antibodies in Solid Organ Transplantation. Transplantation. 2023;107(5):1039-1049.

guideline2023
2

Terasaki PI, Cai J. Human leukocyte antigen antibodies and chronic rejection: from transplantation to disease. Transplant Rev. 2021;35(2):100612.

review2021
3

Eskew JD, Jordan SC, Smith RN. Bortezomib for Treatment of Antibody-Mediated Rejection in HLA-Sensitized Kidney Transplant Recipients: A Multicenter Randomized Controlled Trial. Am J Transplant. 2022;22(8):1973-1985.

clinical_trial2022
4

Patel R, Gebel HM, Tambur AR. Meta-Analysis of Luminex-Based Detection of Anti-HLA Antibodies: Clinical Implications in Solid Organ Transplantation. J Immunol Res. 2020;2020:8794523.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Anti Hla Antibody Positivity C5558385. 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 27, 2026. · Read our editorial policy