B17.9 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Acute viral hepatitis, unspecified.
Inclusion term
Acute hepatitis NOS
Acute infectious hepatitis NOS
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
Code changed
Inclusion term
Acute hepatitis NOS
- Acute hepatitis NOS
- Acute infectious hepatitis NOS
2016
New code