| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| Y381X1A (Diagnosis) - Terrorism w dest arcrft, publ sfty offcl injured, init (Terrorism involving destruction of aircraft, public safety official injured, initial encounter) | Single To Single | E9791 (Diagnosis) - Terrorism,dest aircraft (Terrorism involving destruction of aircraft) |
| CMS/CDC General Equivalence Mappings |
| Y381X1A (Diagnosis) - Terrorism w dest arcrft, publ sfty offcl injured, init (Terrorism involving destruction of aircraft, public safety official injured, initial encounter) | Single To Single | Alternative #1: E9791 (Diagnosis) - Terrorism,dest aircraft (Terrorism involving destruction of aircraft) |