2026 ICD-10-CM Diagnosis Code D71.8Other functional disorders of polymorphonuclear neutrophils

ICD-10-CM CodesD50–D89D70-D77D71

ICD-10-CM D71.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D71.8 is a billable ICD-10-CM diagnosis code for other functional disorders of polymorphonuclear neutrophils. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 808 through 810.

Code Identity

ICD-10-CM Code
D71.8
Billable Status
Yes — Valid for Submission
Code Describes
Other functional disorders of polymorphonuclear neutrophils
Short Description
Other functional disorders of polymorphonuclear neutrophils
Same as the full description in the CMS dataset.
Parent Code
Functional disorders of polymorphonuclear neutrophils

Code Classification

ChapterD50–D89Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
SectionD70-D77Other disorders of blood and blood-forming organs
CategoryD71Functional disorders of polymorphonuclear neutrophils
This CodeD71.8Other functional disorders of polymorphonuclear neutrophils

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Chronic granulomatous disease
  • Chronic granulomatous disease, type I
  • Chronic granulomatous disease, type IA
  • Chronic granulomatous disease, type II
  • Chronic granulomatous disease, type IIA
  • Chronic granulomatous disease, type III
  • Chronic granulomatous disease, type IV
  • Chronic granulomatous disease, type IVA
  • Granulomatous disorder
  • Hypercalcemia due to granulomatous disease
  • Hypoparathyroidism due to granulomatous disease
  • Hypopituitarism due to granulomatous disease
  • Interstitial lung disease due to granulomatous disease
  • Neutrophil lactoferrin deficiency
  • Spinal cord compression due to granulomatous disorder

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

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

Index to Diseases and InjuriesGuidance

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Defect, defective
      • cell membrane receptor complex (CR3)
    • Disease, diseased
      • childhood granulomatous
    • Disease, diseased
      • granulomatous (childhood) (chronic)
    • Disorder(of)
      • functional polymorphonuclear neutrophils
        • specified NEC
    • Disorder(of)
      • neutrophil, polymorphonuclear
        • specified NEC
    • Disorder(of)
      • polymorphonuclear neutrophils
        • specified NEC
    • Dysphagocytosis, congenital
    • Granulomatosis
      • progressive septic
    • Job's syndrome(chronic granulomatous disease)
    • Lipochrome histiocytosis(familial)
    • Syndrome
      • Job's

Code History & ChangesHistory

New Code D71.8 was added to the ICD-10-CM code set for FY 2026, effective October 1, 2025.

Replacement D71.8 replaces the following previously assigned code(s):

  • D71 - Functional disorders of polymorphonuclear neutrophils
FY 2026AddedAdded to the ICD-10-CM code setEffective October 1, 2025.
FY 2026CurrentRevised in the current code setEffective October 1, 2025 through September 30, 2026.

Questions About D71.8Overview

Is D71.8 (Functional disorders of polymorphonuclear neutrophils) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other functional disorders of polymorphonuclear neutrophils on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does D71.8 group to?

When other functional disorders of polymorphonuclear neutrophils is the principal diagnosis on an inpatient stay, it groups to MS-DRG 808, 809, 810, with relative weights from 1.0466 to 2.2079 depending on complications. Higher weights mean higher Medicare reimbursement.