A79.0 – Trench fever
ICD-10-CM 2027 diagnosis code · Rickettsioses
ICD-10-CM code
A79.0
- Code
A79.0(claims format:A790)- Description
- Trench fever
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- A75-A79 Rickettsioses
- Parent codes
- A79
Notes for A79.0
Applicable to:
- Quintan fever
- Wolhynian fever
Index terms for A79.0
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in A79
Frequently asked questions
What is ICD-10 code A79.0?
A79.0 is the ICD-10-CM code for trench fever, in the block A75-A79 (Rickettsioses).
Is A79.0 a billable code?
Yes. A79.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A79.0 belong to?
It belongs to category A79 – Other rickettsioses.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.