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ICD-10-CM Current in FY 2027

A77.4

Ehrlichiosis

Release
FY 2027
Effective

Hierarchy

Where A77.4 sits in the official hierarchy. Each level is the code it is classified under.

  1. A77 Parent Spotted fever [tick-borne rickettsioses]
  2. A77.4 This code Ehrlichiosis

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files.

Excludes1

anaplasmosis [A. phagocytophilum] ( A79.82 )

Excludes1

rickettsiosis due to Ehrlichia sennetsu ( A79.81 )

More Specific Codes

3 codes under A77.4

Version History

How A77.4 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Ehrlichiosis

  2. FY 2026 Effective

    Unchanged

    Ehrlichiosis

Other codes under A77

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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