| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| Y219XXA (Diagnosis) - Unsp drowning and submersion, undetermined intent, init (Unspecified drowning and submersion, undetermined intent, initial encounter) | Single To Single | E984 (Diagnosis) - Undeterm circ-submersion (Submersion (drowning), undetermined whether accidentally or purposely inflicted) |
| CMS/CDC General Equivalence Mappings |
| Y219XXA (Diagnosis) - Unsp drowning and submersion, undetermined intent, init (Unspecified drowning and submersion, undetermined intent, initial encounter) | Single To Single | Alternative #1: E984 (Diagnosis) - Undeterm circ-submersion (Submersion (drowning), undetermined whether accidentally or purposely inflicted) |