Convert ICD-10-CM T42.0X1A to ICD-9-CM

T42.0X1A can be converted to ICD-9-CM using the following scenario:
Scenario 1
  • 2015 ICD-9-CM 966.1 Poisoning by hydantoin derivatives
  • With:
  • 2015 ICD-9-CM E855.0 Accidental poisoning by anticonvulsant and anti-parkinsonism drugs

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.