| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 3817 (Diagnosis) - Patulous eustachian tube | Single To Single | H6900 (Diagnosis) - Patulous Eustachian tube, unspecified ear |
| CMS/CDC General Equivalence Mappings |
| 3817 (Diagnosis) - Patulous eustachian tube | Single To Single | Alternative #1: H6900 (Diagnosis) - Patulous Eustachian tube, unspecified ear |
Single To Single | Alternative #2: H6901 (Diagnosis) - Patulous Eustachian tube, right ear | Single To Single | Alternative #3: H6902 (Diagnosis) - Patulous Eustachian tube, left ear | Single To Single | Alternative #4: H6903 (Diagnosis) - Patulous Eustachian tube, bilateral |