| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| Y366X0S (Diagnosis) - War operations involving biological weapons, milt, sequela (War operations involving biological weapons, military personnel, sequela) | Single To Single | E9990 (Diagnosis) - Late effect, war injury (Late effect of injury due to war operations) |
| CMS/CDC General Equivalence Mappings |
| Y366X0S (Diagnosis) - War operations involving biological weapons, milt, sequela (War operations involving biological weapons, military personnel, sequela) | Single To Single | Alternative #1: E9990 (Diagnosis) - Late effect, war injury (Late effect of injury due to war operations) |