Diagnosis Code

A77.4 EHRLICHIOSIS


Code Information

Diagnosis Code: A77.4

Short Description: Ehrlichiosis

Long Description: Ehrlichiosis

The code A77.4 is NOT VALID for claim submission

Code Classification:

  • Certain infectious and parasitic diseases (A00–B99)
    • Rickettsioses (A75-A79)
      • Spotted fever [tick-borne rickettsioses] (A77)
        • A77.4 Ehrlichiosis

Code Version: 2022 ICD-10-CM


References to Index of Diseases and Injuries

The code A77.4 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Type 1 Excludes Notes:
    • anaplasmosis [A. phagocytophilum] (@A79.82*)
    • rickettsiosis due to Ehrlichia sennetsu (@A79.81*)

Similar Codes

ICD-10 Code ICD-10 Description
A77 Spotted fever [tick-borne rickettsioses]
A77.0 Spotted fever due to Rickettsia rickettsii
A77.1 Spotted fever due to Rickettsia conorii
A77.2 Spotted fever due to Rickettsia siberica
A77.3 Spotted fever due to Rickettsia australis
A77.40 Ehrlichiosis, unspecified
A77.41 Ehrlichiosis chafeensis [E. chafeensis]
A77.49 Other ehrlichiosis
A77.8 Other spotted fevers
A77.9 Spotted fever, unspecified


This page was last updated on: 10/1/2023