Is D71.9 a billable ICD-10 code?

Yes. D71.9 (Functional disorders of polymorphonuclear neutrophils, unspecified) is billable and can be used for insurance claims. Always verify payer-specific requirements.

D71.9 ✓ Billable

Functional disorders of polymorphonuclear neutrophils, unspecified

Q: What is ICD-10 code D71.9?

ICD-10-CM code D71.9 stands for "Functional disorders of polymorphonuclear neutrophils, unspecified". It is a billable code in the Diseases of the Blood and Blood-Forming Organs chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Blood and Blood-Forming Organs

Code

D71.9

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Diseases of the Blood and Blood-Forming Organs

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code D71.9?

ICD-10-CM code D71.9 represents Functional disorders of polymorphonuclear neutrophils, unspecified. It is a billable diagnosis code in the Diseases of the Blood and Blood-Forming Organs chapter, effective October 1, 2025 – September 30, 2026.

Is D71.9 billable?

Yes. D71.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is D71.9 in?

D71.9 belongs to the Diseases of the Blood and Blood-Forming Organs chapter (D50–D89) of ICD-10-CM.

Related codes in the D71 category

D71 Functional disorders of polymorphonuclear neutrophils Non-billable D71.1 Leukocyte adhesion deficiency Billable D71.8 Other functional disorders of polymorphonuclear neutrophils Billable

Search all 98,186 ICD-10-CM codes instantly

Search ICDwise →