| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| 0D978ZX (Procedure) - Drainage of Stomach, Pylorus, Endo, Diagn (Drainage of Stomach, Pylorus, Via Natural or Artificial Opening Endoscopic, Diagnostic) | Single To Single | 4516 (Procedure) - Egd with closed biopsy (Esophagogastroduodenoscopy [EGD] with closed biopsy) |
| CMS/CDC General Equivalence Mappings |
| 0D978ZX (Procedure) - Drainage of Stomach, Pylorus, Endo, Diagn (Drainage of Stomach, Pylorus, Via Natural or Artificial Opening Endoscopic, Diagnostic) | Single To Single | Alternative #1: 4516 (Procedure) - Egd with closed biopsy (Esophagogastroduodenoscopy [EGD] with closed biopsy) |