249.21 can be converted to ICD-10-CM using the following scenario:
- 2020 ICD-10-CM E08.01 Diabetes mellitus due to underlying condition with hyperosmolarity with coma
- 2020 ICD-10-CM E09.01 Drug or chemical induced diabetes mellitus with hyperosmolarity with coma
- 2020 ICD-10-CM E08.65 Diabetes mellitus due to underlying condition with hyperglycemia
Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.