A79.9
A79.9: Rickettsiosis, unspecified
Billable / specific codeICD-10-CM
A79.9 is a billable, specific ICD-10-CM code for rickettsiosis, unspecified. It is valid for submission on a claim.
Check A79.9 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Rickettsial infection NOS
Other codes that can never be billed with A79.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
- A49Bacterial infection of unspecified site
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
A79.9 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A58710Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
- A58720Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
- A58747Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
- A58761Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing
Alphabetic index entries that lead here
- Rickettsial disease
- Rickettsiosis
- Disease, diseased›rickettsial NOS
- Infection, infected, infective›rickettsial NOS
Code history
Unchanged in every release from FY2024 to FY2027.