Convert ICD-10 Code K27.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K27.9 Peptic ulc, site unsp, unsp as ac or chr, w/o hemor or perf		533.90 Peptic ulcer NOS
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 K27.9 - peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation based on the most recent General Equivalence Mappings (GEMS) information.