Table A1

OXMIS and Read codes for outcome events

Coding systemCodeTranslation of the code
OXMIS5339DBDuodenal ulcer bleeding
569 MGastrointestinal bleeding
569 MEUpper gastrointestinal haemorrhage
569 MHIntestinal haemorrhage
569 MIHaemorrhage gastrointestinal
7845Haematemesis
7857Melaena
19E4.12C/O—melaena
Read4737.11Melaena—O/E of faeces
7619100Gastrotomy and ligation of bleeding point of stomach
J110100Acute gastric ulcer with haemorrhage
J110111Bleeding acute gastric ulcer
J110300Acute gastric ulcer with haemorrhage and perforation
J111100Chronic gastric ulcer with haemorrhage
J111111Bleeding chronic gastric ulcer
J111300Chronic gastric ulcer with haemorrhage and perforation
J11y100Unspecified gastric ulcer with haemorrhage
J11y300Unspecified gastric ulcer with haemorrhage and perforation
J11yy00Unspecified gastric ulcer; unspecified haemorrhage and/or perforation
J120100Acute duodenal ulcer with haemorrhage
J120300Acute duodenal ulcer with haemorrhage and perforation
J121100Chronic duodenal ulcer with haemorrhage
J121111Bleeding chronic duodenal ulcer
J121300Chronic duodenal ulcer with haemorrhage and perforation
J12y100Unspecified duodenal ulcer with haemorrhage
J12y300Unspecified duodenal ulcer with haemorrhage and perforation
J12yy00Unspecified duodenal ulcer; unspecified haemorrhage and/or perforation
J68..00Gastrointestinal haemorrhage
J680.00Haematemesis
J681.00Melaena
J68z.00Gastrointestinal haemorrhage unspecified
J68z.11GIB–gastrointestinal bleeding
J68z000Gastric haemorrhage NOS
J68z100Intestinal haemorrhage NOS
J68z200Upper gastrointestinal haemorrhage
J68zz00Gastrointestinal tract haemorrhage NOS