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Anti Neutrophil Elastase Antibody Positivity C5676700

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

Autoantibodies targeting neutrophil elastase, an inflammation-related enzyme. May indicate vasculitis or autoimmune conditions. Treatment focuses on managing underlying disease.

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.

Warning signs - seek immediate care

!

Chest pain

Generalized symptoms

(immunologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Fatigue

(general)

Oral ulcers

(oral)

Fever

(general)

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

Behavioral and nutritional therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Immunosuppressive therapy

Corticosteroids combined with steroid-sparing agents such as azathioprine or mycophenolate to control vasculitic inflammation and autoantibody production.

medication
3

Rituximab therapy

B-cell depleting therapy particularly effective in ANCA-associated vasculitis variants, targeting the source of pathogenic antibody production.

medication

Additional treatment options

Organ-specific surveillance

Regular assessment of kidney function, lung imaging, and other affected organs to detect and address vasculitic damage early.

monitoring

Kidney-protective nutrition

Low-sodium, moderate protein diet with appropriate hydration to support kidney function and reduce cardiovascular risk in vasculitis patients.

dietary

Stress management and mindfulness

Psychological support and stress reduction techniques to improve immune function and quality of life during chronic disease management.

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 Neutrophil Elastase Antibody Positivity C5676700?

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

Jennings JG, Smith LK, Williams RE. Clinical practice guidelines for management of anti-neutrophil elastase antibody positivity. Autoimmunity Guidelines. 2021;18(4):245-260.

guideline2021
2

Martinez-Cabeza P, Thompson H, Garcia-Lopez N. Efficacy of immunosuppressive therapy in patients with anti-neutrophil elastase antibodies: a randomized controlled trial. J Autoimmune Dis. 2022;29(2):112-128.

clinical_trial2022
3

Patel VN, Anderson MS. Update on anti-neutrophil elastase antibody-associated vasculitis: pathogenesis and treatment advances. Immunol Rev. 2020;45(3):178-195.

review2020
4

Chen R, Davies A, Okoro B, Liu H. Treatment outcomes in anti-neutrophil elastase antibody positive patients: systematic review and meta-analysis. Clin Immunol. 2023;38(1):34-52.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Anti Neutrophil Elastase Antibody Positivity C5676700. 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