A79 ICD-10-CM Code: Other rickettsioses
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
A79Other rickettsioses
ICD-10-CM diagnosis code · United States clinical modification
Where A79 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Rickettsioses (A75-A79)
- 3
Category A79
Other rickettsioses
- 4
Code A79
Other rickettsioses
Codes under A79
A79 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for A79.
Code first
No “code first” instruction is listed for A79.
Use additional code
No “use additional code” instruction is listed for A79.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for A79.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A79.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code A79 mean?
A79 is the FY 2027 U.S. ICD-10-CM code for “Other rickettsioses.”
Is A79 a billable or specific ICD-10-CM code?
No. A79 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is A79 located in ICD-10-CM?
A79 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Rickettsioses (A75-A79) (A75–A79), under category A79, Other rickettsioses.
What coding notes are listed for A79?
No inclusion terms are listed for A79 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.