D71.9 Functional disorders of polymorphonuclear neutrophils, unspecified

Billable ICD-10-CM code, FY2026.

Risk adjustment (HCC)

• CMS-HCC V28: HCC 115 — Specified Immunodeficiencies and White Blood Cell Disorders
• CMS-HCC V22: HCC 47 — Disorders of Immunity
• ESRD V24: HCC 47

MS-DRG index

Defines the logic of DRG(s) 808-810 in MDC 16.

Diagnosis Index entries for D71.9

• Disorder (of) › functional polymorphonuclear neutrophils
• Disorder (of) › neutrophil, polymorphonuclear
• Disorder (of) › polymorphonuclear neutrophils

Nearby codes

• D71 Functional disorders of polymorphonuclear neutrophils
• D71.1 Leukocyte adhesion deficiency
• D71.8 Other functional disorders of polymorphonuclear neutrophils
• D71.9 Functional disorders of polymorphonuclear neutrophils, unspecified (this code)