| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| Y36121A (Diagnosis) - War op w dest arcrft due to clsn w oth arcrft, civ, init (War operations involving destruction of aircraft due to collision with other aircraft, civilian, initial encounter) | Single To Single | E9942 (Diagnosis) - War inj:aircrft collisn (Injury due to war operations by destruction of aircraft due to collision with other aircraft) |
| CMS/CDC General Equivalence Mappings |
| Y36121A (Diagnosis) - War op w dest arcrft due to clsn w oth arcrft, civ, init (War operations involving destruction of aircraft due to collision with other aircraft, civilian, initial encounter) | Single To Single | Alternative #1: E9942 (Diagnosis) - War inj:aircrft collisn (Injury due to war operations by destruction of aircraft due to collision with other aircraft) |