A77.49

A77.49: Other ehrlichiosis

Billable / specific codeICD-10-CM

A77.49 is a billable, specific ICD-10-CM code for other ehrlichiosis. It is valid for submission on a claim.

Check A77.49 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Ehrlichiosis due to E. ewingii
Ehrlichiosis due to E. muris euclairensis

Excludes1 inherited from the categories above A77.49

A category’s note binds every code beneath it.

Written on A77.4: Ehrlichiosis

anaplasmosis [A. phagocytophilum] (A79.82)
rickettsiosis due to Ehrlichia sennetsu (A79.81)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

A77.49 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

Anaplasmosis [A. phagocytophilum]›human
Ehrlichiosis›due to›E. ewingii
Ehrlichiosis›due to›E. muris euclairensis
Ehrlichiosis›due to›specified organism NEC
Fever›spotted›Ehrlichiosis›due to›specified organism NEC

Code history

Unchanged in every release from FY2024 to FY2027.