| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| T17418A (Diagnosis) - Gastric contents in trachea causing oth injury, init encntr (Gastric contents in trachea causing other injury, initial encounter) | Single To Single | 9340 (Diagnosis) - Foreign body in trachea |
| CMS/CDC General Equivalence Mappings |
| T17418A (Diagnosis) - Gastric contents in trachea causing oth injury, init encntr (Gastric contents in trachea causing other injury, initial encounter) | Single To Single | Alternative #1: 9340 (Diagnosis) - Foreign body in trachea |
Single To Cluster | Cluster #1: 9340 (Diagnosis) - Foreign body in tracheawith E911 (Diagnosis) - Resp obstr-food inhal (Inhalation and ingestion of food causing obstruction of respiratory tract or suffocation) |