| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| Y238XXD (Diagnosis) - Oth larger firearm discharge, undetermined intent, subs (Other larger firearm discharge, undetermined intent, subsequent encounter) | Single To Single | E9854 (Diagnosis) - Undeter circ-firearm NEC (Injury by other and unspecified firearm, undetermined whether accidentally or purposely inflicted) |
| CMS/CDC General Equivalence Mappings |
| Y238XXD (Diagnosis) - Oth larger firearm discharge, undetermined intent, subs (Other larger firearm discharge, undetermined intent, subsequent encounter) | Single To Single | Alternative #1: E9854 (Diagnosis) - Undeter circ-firearm NEC (Injury by other and unspecified firearm, undetermined whether accidentally or purposely inflicted) |