https://www.cms.gov/icd10m/version37-fullcode-cms/fullcode_cms/P0167.html
ICD-10-CM/PCS MS-DRG v37.0 Definitions Manual
K50912, Crohn's disease, unspecified, with intestinal obstruction ; K50913, Crohn's disease, unspecified, with fistula ; K50914, Crohn's disease, unspecified, ...