Leptospirosis
- A27 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2024 edition of ICD-10-CM A27 became effective on October 1, 2023.
- This is the American ICD-10-CM version of A27 – other international versions of ICD-10 A27 may differ.
The following code(s) above A27 contain annotation back-references
that may be applicable to A27:
- A00-B99 Certain infectious and parasitic diseases
Clinical Information
- A contagious bacterial infection caused by spirochetes of the genus leptospira. Humans are infected by contact with water and soil which have been contaminated with animal waste products. The signs and symptoms include an initial flu-like phase, followed by a second phase in which patients may develop meningitis, liver failure and renal failure.
- Infections with bacteria of the genus leptospira.
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
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change