ICD-10-CM Alphabetic Index · FY 2026 16 Entries

Neutropenia in the ICD-10-CM Index ICD-10-CM

The main term Neutropenia, neutropenic (chronic) (genetic) (idiopathic) (immune) (infantile) (malignant) (pernicious) (splenic) carries 16 index entries pointing to 8 ICD-10-CM codes. The default entry is D70.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026

Index Entries

Codes Referenced

D70.9

Default Code

Letter

16 of 16 shown

ICD-10-CM

Index Entries Under Neutropenia 16 entries · 8 codes

Neutropenia, neutropenic (chronic) (genetic) (idiopathic) (immune) (infantile) (malignant) (pernicious) (splenic) D70.9

benign ethnic see Phenotype, Duffy, null

congenital (primary) D70.0

cyclic D70.4

cytoreductive cancer chemotherapy sequela D70.1

drug-induced D70.2

due to cytoreductive cancer chemotherapy D70.1

due to infection D70.3

fever D70.9

neonatal, transitory (isoimmune) (maternal transfer) P61.5

periodic D70.4

secondary (cyclic) (periodic) (splenic) D70.4

drug-induced D70.2

due to cytoreductive cancer chemotherapy D70.1

specified NEC D70.8

toxic D70.8

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Related Index Terms

Phenotype All index terms starting with N Index to Diseases and Injuries ICD-10-CM Code Lookup

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.