A77.4 - Ehrlichiosis
- Applicable to Ehrlichiosis
- The 2025 edition of ICD10-CM A77.4 became effective on October 1, 2024.
- This is the American ICD10-CM version of A77.4 - other international versions of ICD10 A77.4 may differ.
- A77.4 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- A77.4 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
- A77.4 - Ehrlichiosis
- A77.4 - Ehrlichiosis
- A77.40 - Ehrlichiosis, unspecified
- A77.41 - Ehrlichiosis chaffeensis [E. chaffeensis]
- A77.49 - Other ehrlichiosis
Type 1 Excludes
- anaplasmosis [A. phagocytophilum] (A79.82)
- rickettsiosis due to Ehrlichia sennetsu (A79.81)
Non-Billable/Non-Specific Code
The following codes above A77.4 contain annotation back-references that may be applicable to A77.4:
- Chapter: A00-B99 - Certain infectious and parasitic diseases
- Section: A75-A79 - Rickettsioses
- Category: A77 - Spotted fever [tick-borne rickettsioses]
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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