| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| X838XXD (Diagnosis) - Intentional self-harm by other specified means, subs encntr (Intentional self-harm by other specified means, subsequent encounter) | Single To Single | E9587 (Diagnosis) - Injury-caustic substance (Suicide and self-inflicted injury by caustic substances, except poisoning) |
| CMS/CDC General Equivalence Mappings |
| X838XXD (Diagnosis) - Intentional self-harm by other specified means, subs encntr (Intentional self-harm by other specified means, subsequent encounter) | Single To Single | Alternative #1: E9587 (Diagnosis) - Injury-caustic substance (Suicide and self-inflicted injury by caustic substances, except poisoning) |
Single To Single | Alternative #2: E9588 (Diagnosis) - Injury-NEC (Suicide and self-inflicted injury by other specified means) |