| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| H90A21 (Diagnosis) - Snsrnrl hear loss, uni, r ear, with rstrcd hear cntra side (Sensorineural hearing loss, unilateral, right ear, with restricted hearing on the contralateral side) | Single To Single | 38915 (Diagnosis) - Sensorneur hear loss uni (Sensorineural hearing loss, unilateral) |
| CMS/CDC General Equivalence Mappings |
| H90A21 (Diagnosis) - Snsrnrl hear loss, uni, r ear, with rstrcd hear cntra side (Sensorineural hearing loss, unilateral, right ear, with restricted hearing on the contralateral side) | Single To Single | Alternative #1: 38915 (Diagnosis) - Sensorneur hear loss uni (Sensorineural hearing loss, unilateral) |