| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 64212 (Diagnosis) - Renal hyperten-del p/p (Hypertension secondary to renal disease, complicating pregnancy, childbirth, and the puerperium, delivered, with mention of postpartum complication) | Single To Single | O1043 (Diagnosis) - Pre-existing secondary hypertension comp the puerperium (Pre-existing secondary hypertension complicating the puerperium) |
| CMS/CDC General Equivalence Mappings |
| 64212 (Diagnosis) - Renal hyperten-del p/p (Hypertension secondary to renal disease, complicating pregnancy, childbirth, and the puerperium, delivered, with mention of postpartum complication) | Single To Single | Alternative #1: O1043 (Diagnosis) - Pre-existing secondary hypertension comp the puerperium (Pre-existing secondary hypertension complicating the puerperium) |