A77.3 – Spotted fever due to Rickettsia australis
ICD-10-CM 2027 diagnosis code · Rickettsioses
ICD-10-CM code
A77.3
- Code
A77.3(claims format:A773)- Description
- Spotted fever due to Rickettsia australis
- 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
- A77
Notes for A77.3
Applicable to:
- Queensland tick typhus
Index terms for A77.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in A77
Frequently asked questions
What is ICD-10 code A77.3?
A77.3 is the ICD-10-CM code for spotted fever due to Rickettsia australis, in the block A75-A79 (Rickettsioses).
Is A77.3 a billable code?
Yes. A77.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A77.3 belong to?
It belongs to category A77 – Spotted fever [tick-borne 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.