A77.3Billable
Spotted fever due to Rickettsia australis
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- A77
- Effective date
- October 1, 2026
Related codes in category A77
A77Spotted fever [tick-borne rickettsioses]A77.0Spotted fever due to Rickettsia rickettsiiYesA77.1Spotted fever due to Rickettsia conoriiYesA77.2Spotted fever due to Rickettsia sibericaYesA77.4EhrlichiosisA77.40Ehrlichiosis, unspecifiedYesA77.41Ehrlichiosis chaffeensis [E. chaffeensis]YesA77.49Other ehrlichiosisYesA77.8Other spotted feversYesA77.9Spotted fever, unspecifiedYes
Frequently asked questions
What is ICD-10 code A77.3?
A77.3 is an ICD-10-CM diagnosis code for Spotted fever due to Rickettsia australis.
Is A77.3 a billable code?
Yes. A77.3 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is A77.3 in?
A77.3 falls under Chapter 1: Certain infectious and parasitic diseases.
When did A77.3 become effective?
A77.3 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to A77.3?
A77.3 belongs to category A77, which includes 10 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.