Is D71.9 a billable ICD-10-CM code?

Yes. D71.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does D71.9 sit in the tabular list?

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Other disorders of blood and blood-forming organs (D70-D77).

D71.9

D71.9 — Functional disorders of polymorphonuclear neutrophils, unspecified

Billable / specific codeICD-10-CM

D71.9 is a billable, specific ICD-10-CM code for functional disorders of polymorphonuclear neutrophils, unspecified. It is valid for submission on a claim.

Risk adjustment

D71.9 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 115 Specified Immunodeficiencies and White Blood Cell Disorders0.565 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

D71.9 is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A57689Billing and Coding: Lab: Flow Cytometry
A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing

How D71.9 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D71.9.

Disorder›functional polymorphonuclear neutrophils
Disorder›neutrophil, polymorphonuclear
Disorder›polymorphonuclear neutrophils

Related codes at this level

Codes that share D71. If D71.9 is not quite right, the correct code is usually one of these.

Questions about D71.9

Is D71.9 a billable ICD-10-CM code?: Yes. D71.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D71.9 sit in the tabular list?: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89), in the block Other disorders of blood and blood-forming organs (D70-D77).