Convert ICD-10-CM T17.420A to ICD-9-CM

T17.420A can be converted to ICD-9-CM using the following scenario:
Scenario 1
  • 2015 ICD-9-CM 934.0 Foreign body in trachea
  • With:
  • 2015 ICD-9-CM E911 Inhalation and ingestion of food causing obstruction of respiratory tract or suffocation

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: 2021 ICD-10-CM CMS General Equivalence Mappings.