| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| Y384X2D (Diagnosis) - Terrorism involving firearms, civilian injured, subs encntr (Terrorism involving firearms, civilian injured, subsequent encounter) | Single To Single | E9794 (Diagnosis) - Terrorism, firearms (Terrorism involving firearms) |
| CMS/CDC General Equivalence Mappings |
| Y384X2D (Diagnosis) - Terrorism involving firearms, civilian injured, subs encntr (Terrorism involving firearms, civilian injured, subsequent encounter) | Single To Single | Alternative #1: E9794 (Diagnosis) - Terrorism, firearms (Terrorism involving firearms) |