2021 ICD-10-CM Diagnosis Code A79

Other rickettsioses

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

A79 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2021 edition of ICD-10-CM A79 became effective on October 1, 2020.
This is the American ICD-10-CM version of A79 - other international versions of ICD-10 A79 may differ.

The following code(s) above A79 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

that may be applicable to A79:

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

ICD-10-CM Codes Adjacent To A79

A77.1 Spotted fever due to Rickettsia conorii

A77.2 Spotted fever due to Rickettsia siberica

A77.3 Spotted fever due to Rickettsia australis

A77.4 Ehrlichiosis

A77.40 …… unspecified

A77.41 …… chafeensis [E. chafeensis]

A77.49 Other ehrlichiosis

A77.8 Other spotted fevers

A77.9 Spotted fever, unspecified

A78 Q fever

A79 Other rickettsioses

A79.0 Trench fever

A79.1 Rickettsialpox due to Rickettsia akari

A79.8 Other specified rickettsioses

A79.81 Rickettsiosis due to Ehrlichia sennetsu

A79.89 Other specified rickettsioses

A79.9 Rickettsiosis, unspecified

A80 Acute poliomyelitis

A80.0 Acute paralytic poliomyelitis, vaccine-associated

A80.1 Acute paralytic poliomyelitis, wild virus, imported

A80.2 Acute paralytic poliomyelitis, wild virus, indigenous

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.