ICD-10-CM Alphabetic Index · FY 2026 7 Entries

Ehrlichiosis in the ICD-10-CM Index ICD-10-CM

The main term Ehrlichiosis carries 7 index entries pointing to 4 ICD-10-CM codes. The default entry is A77.40, 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

A77.40

Default Code

Letter

7 of 7 shown

ICD-10-CM

Index Entries Under Ehrlichiosis 7 entries · 4 codes

Ehrlichiosis A77.40

due to

E. chaffeensis A77.41

E. ewingii A77.49

E. muris euclairensis A77.49

E. sennetsu A79.81

specified organism NEC A77.49

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Related Index Terms

All index terms starting with E 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.