| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 9851 (Diagnosis) - Toxic effect arsenic (Toxic effect of arsenic and its compounds) with E8663 (Diagnosis) - Acc poisoning-arsenic (Accidental poisoning by arsenic and its compounds and fumes) | Cluster To Single | T570X1A (Diagnosis) - Toxic effect of arsenic and its compounds, accidental, init (Toxic effect of arsenic and its compounds, accidental (unintentional), initial encounter) |
| CMS/CDC General Equivalence Mappings |
| 9851 (Diagnosis) - Toxic effect arsenic (Toxic effect of arsenic and its compounds) with E8663 (Diagnosis) - Acc poisoning-arsenic (Accidental poisoning by arsenic and its compounds and fumes) | Cluster To Single | Alternative #1: T570X1A (Diagnosis) - Toxic effect of arsenic and its compounds, accidental, init (Toxic effect of arsenic and its compounds, accidental (unintentional), initial encounter) |