- A77.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM A77.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of A77.1 – other international versions of ICD-10 A77.1 may differ.
ICD-10-CM A77.1 is grouped within Diagnostic Related Group(s):
- 867 Other infectious and parasitic diseases diagnoses with mcc
- 868 Other infectious and parasitic diseases diagnoses with cc
- 869 Other infectious and parasitic diseases diagnoses without cc/mcc
Applicable To
- African tick typhus
- Boutonneuse fever
- India tick typhus
- Kenya tick typhus
- Marseilles fever
- Mediterranean tick fever
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to A77.1:
- Conor and Bruch\’s (boutonneuse fever) > Disease, diseased
- boutonneuse > Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- Kenya (tick) > Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- Marseilles > Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- tick > Mediterranean A23.9
- conorii > due to Rickettsia A77.8
- Mediterranean > tick A93.2
- African > tick-borne A77.9
- tick > fever M04.1
- tick fever > Mediterranean
- African tick > Typhus (fever) A75.9
- India tick > Typhus (fever) A75.9
- Kenya (tick) > Typhus (fever) A75.9