I77.82 Antineutrophilic cytoplasmic antibody [ANCA] vasculitis

Billable ICD-10-CM code, FY2026.

Applicable to

• ANCA associated vasculitis
• ANCA positive vasculitis

Excludes2 (not included here)

• eosinophilic granulomatosis with polyangiitis (M30.1)
• granulomatosis with polyangiitis (M31.3-)
• microscopic polyangiitis (M31.7)

Applies from I77 Other disorders of arteries and arterioles

Excludes2 (not included here)

• collagen (vascular) diseases (M30-M36)
• hypersensitivity angiitis (M31.0)
• pulmonary artery (I28.-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 93 — Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders
• CMS-HCC V22: HCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
• RxHCC V08: HCC 83 — Rheumatoid Arthritis and Other Inflammatory Polyarthropathy
• ESRD V24: HCC 40

MS-DRG index

Defines the logic of DRG(s) 299-301 in MDC 05.

Diagnosis Index entries for I77.82

• Vasculitis › ANCA (antineutrophilic cytoplasmic antibody) associated
• Vasculitis › ANCA (antineutrophilic cytoplasmic antibody) positive
• Vasculitis › antineutrophilic cytoplasmic antibody [ANCA]

Nearby codes

• I77.81 Aortic ectasia
• I77.810 Thoracic aortic ectasia
• I77.811 Abdominal aortic ectasia
• I77.812 Thoracoabdominal aortic ectasia
• I77.819 Aortic ectasia, unspecified site
• I77.82 Antineutrophilic cytoplasmic antibody [ANCA] vasculitis (this code)
• I77.89 Other specified disorders of arteries and arterioles
• I77.9 Disorder of arteries and arterioles, unspecified