| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| H21302 (Diagnosis) - Idio cysts of iris, ciliary body or ant chamber, left eye (Idiopathic cysts of iris, ciliary body or anterior chamber, left eye) | Single To Single | 36460 (Diagnosis) - Idiopathic cysts (Idiopathic cysts of iris, ciliary body, and anterior chamber) |
| CMS/CDC General Equivalence Mappings |
| H21302 (Diagnosis) - Idio cysts of iris, ciliary body or ant chamber, left eye (Idiopathic cysts of iris, ciliary body or anterior chamber, left eye) | Single To Single | Alternative #1: 36460 (Diagnosis) - Idiopathic cysts (Idiopathic cysts of iris, ciliary body, and anterior chamber) |