Convert ICD-10 Code E21.2 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
E21.2 Other hyperparathyroidism		252.08 Hyperparathyroidism NEC

ICD-10 to ICD-9 crosswalk for code E21.2 - other hyperparathyroidism based on the most recent General Equivalence Mappings (GEMS) information.