D71.8: Other functional disorders of polymorphonuclear neutrophils

New code · FY2026

Billable: use this code on claims.

• New code, effective October 1, 2025 (FY2026).

Code breakdown

Coding notes

Inclusion terms

• Cell membrane receptor complex [CR3] defect
• Chronic (childhood) granulomatous disease
• Congenital dysphagocytosis
• Progressive septic granulomatosis

Medicare coverage

D71.8 is listed as a covered diagnosis in 7 Medicare billing and coding articles:

• A55717 Billing and Coding: Lab: Flow Cytometry
• A56464 Billing and Coding: Flow Cytometry
• A57689 Billing and Coding: Lab: Flow Cytometry
• A58710 Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
• A58720 Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
• A58747 Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
• A58761 Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.