| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| Y248XXA (Diagnosis) - Other firearm discharge, undetermined intent, init encntr (Other firearm discharge, undetermined intent, initial encounter) | Single To Single | E9857 (Diagnosis) - Injury paintball gun NOS (Injury by paintball gun, undetermined whether accidental or purposely inflicted) |
| CMS/CDC General Equivalence Mappings |
| Y248XXA (Diagnosis) - Other firearm discharge, undetermined intent, init encntr (Other firearm discharge, undetermined intent, initial encounter) | Single To Single | Alternative #1: E9857 (Diagnosis) - Injury paintball gun NOS (Injury by paintball gun, undetermined whether accidental or purposely inflicted) |