Convert ICD-10-CM T42.4X5A to ICD-9-CM

T42.4X5A can be converted to ICD-9-CM using the following scenario:
Scenario 1
  • 2015 ICD-9-CM 995.29 Unspecified adverse effect of other drug, medicinal and biological substance
  • With:
  • 2015 ICD-9-CM E939.4 Benzodiazepine-based tranquilizers causing adverse effects in therapeutic use

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.

Source: 2020 ICD-10-CM CMS General Equivalence Mappings.