Convert ICD-10 Code K66.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K66.9 Disorder of peritoneum, unspecified		568.9 Peritoneal disorder NOS

ICD-10 to ICD-9 crosswalk for code K66.9 - disorder of peritoneum, unspecified based on the most recent General Equivalence Mappings (GEMS) information.