- A91 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 A91 became effective on October 1, 2022.
- This is the American ICD-10-CM version of A91 – other international versions of ICD-10 A91 may differ.
ICD-10-CM A91 is grouped within Diagnostic Related Group(s):
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 A91:
- hemorrhagic > Dengue (classical) (fever) A90
- Bangkok hemorrhagic > Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- hemorrhagic > dengue (virus) A90
- Bangkok > hemorrhagic NOS (arthropod-borne) A94
- dengue (virus) > hemorrhagic NOS (arthropod-borne) A94
- Philippine > hemorrhagic NOS (arthropod-borne) A94
- Singapore > hemorrhagic NOS (arthropod-borne) A94
- Southeast Asia > hemorrhagic NOS (arthropod-borne) A94
- Thailand > hemorrhagic NOS (arthropod-borne) A94
- Philippine hemorrhagic > Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- Singapore hemorrhagic > Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- Southeast Asia hemorrhagic > Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
- Thailand hemorrhagic > Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9