| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| T65294A (Diagnosis) - Toxic effect of oth tobacco and nicotine, undetermined, init (Toxic effect of other tobacco and nicotine, undetermined, initial encounter) | Single To Single | 98984 (Diagnosis) - Toxic effect of tobacco |
| CMS/CDC General Equivalence Mappings |
| T65294A (Diagnosis) - Toxic effect of oth tobacco and nicotine, undetermined, init (Toxic effect of other tobacco and nicotine, undetermined, initial encounter) | Single To Single | Alternative #1: 98984 (Diagnosis) - Toxic effect of tobacco |
Single To Cluster | Cluster #1: 98984 (Diagnosis) - Toxic effect of tobaccowith E9809 (Diagnosis) - Undeter pois-sol/liq NEC (Poisoning by other and unspecified solid and liquid substances, undetermined whether accidentally or purposely inflicted) |