Convert ICD-10 Code R97.21 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
R97.21 Rising PSA fol treatment for malignant neoplasm of prostate		790.93 Elvtd prstate spcf antgn
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code R97.21 - rising psa following treatment for malignant neoplasm of prostate based on the most recent General Equivalence Mappings (GEMS) information.