Inflammatory Bowel Disease

Coding system
CTV3 (Read V3) with TPP extensions
Codelist ID


Codes indicating diagnosis of inflammatory bowel disease


Derived from Read V2 codelist provided by LSHTM. See discussion in GitHub issue referenced below


Signed off by

  • Caroline Morton, EBM Datalab (April 7, 2020)
  • Alex Walker, EBM Datalab (April 7, 2020)
CTV3ID CTV3PreferredTermDesc CTV3Source
14C4. H/O: colitis (& [ulcerative]) CTV3_Children
J08z9 Orofacial Crohn's disease CTV3Map_Code_And_Term
J4... (Noninf enter/colit) or (inflam bowel dis) or (noninf diarr) High_Level_SNOMED
J40.. Enteritis: [regional-Crohn's disease] or [granulomatous] CTV3_Children
J400. Regional enteritis of small bowel CTV3Map_Code_And_Term
J4000 Crohn's disease of duodenum CTV3Map_Code_And_Term
J4001 Regional enteritis of the jejunum CTV3Map_Code_And_Term
J4002 Crohn's disease of terminal ileum CTV3Map_Code_And_Term
J4003 Crohn's disease of the ileum unspecified CTV3Map_Code_And_Term
J4004 Crohn's disease of the ileum NOS CTV3Map_Code_And_Term
J400z Crohn's disease of the small bowel NOS CTV3Map_Code_And_Term
J401. Regional enteritis of the large bowel CTV3Map_Code_And_Term
J4010 Crohn's colitis CTV3Map_Code_And_Term
J4010 Crohn's colitis CTV3Map_Code_Only
J4011 Crohn's proctitis CTV3Map_Code_And_Term
J401z (Crohn's colitis) or (Crohn's disease of large bowel NOS) CTV3_Children
J402. Regional ileocolitis CTV3Map_Code_And_Term
J40z. Regional enteritis NOS CTV3Map_Code_And_Term
J40z. Regional enteritis NOS CTV3Map_Code_Only
J41.. (Idiopath proctocol)/(muc colit/proctit)/(ulc colit/proctit) CTV3_Children
J410. Ulcerative proctocolitis CTV3Map_Code_And_Term
J410. Ulcerative proctocolitis CTV3Map_Code_Only
J4100 Ulcerative ileocolitis CTV3Map_Code_And_Term
J4103 Ulcerative proctitis CTV3Map_Code_And_Term
J410z Ulcerative proctocolitis NOS CTV3Map_Code_And_Term
J41y. Other idiopathic proctocolitis CTV3Map_Code_And_Term
J41yz Other idiopathic proctocolitis NOS CTV3Map_Code_And_Term
J41z. Idiopathic proctocolitis NOS CTV3Map_Code_And_Term
J41z. Idiopathic proctocolitis NOS CTV3Map_Code_Only
Jyu40 [X]Other Crohn's disease CTV3Map_Code_And_Term
Jyu41 [X]Other ulcerative colitis CTV3Map_Code_And_Term
N0310 Arthropathy in ulcerative colitis CTV3Map_Code_And_Term
N0311 Arthropathy in Crohn's disease CTV3Map_Code_And_Term
N0453 Juvenile arthritis in Crohn's disease CTV3Map_Code_And_Term
N0454 Juvenile arthritis in ulcerative colitis CTV3Map_Code_And_Term
X20Pq Orofacial Crohn's disease of gingivae CTV3_Children
X300J Crohn's disease of oesophagus High_Level_SNOMED
X301b Crohn's disease of stomach High_Level_SNOMED
X302r Crohn's jejunitis CTV3_Children
X302t Crohn's ileitis CTV3_Children
X3030 Ulcerative enterocolitis CTV3Map_Code_And_Term
X303k Indeterminate colitis CTV3_Children
X3050 Perianal Crohn's disease CTV3_Children
XE0ae Inflammatory bowel disease CTV3Map_Code_And_Term
XE0af Crohn's disease of the large bowel NOS CTV3Map_Code_And_Term
XE0af Crohn's disease of the large bowel NOS CTV3Map_Code_Only
XE0ag Ulcerative colitis CTV3Map_Code_And_Term
XE0aj Other non-infective inflammatory gastroenteritis and colitis CTV3_Children
XE0cX Inflammatory bowel disease (& [noninfect enteritis/colitis]) CTV3_Children
XE0cZ Crohn's disease (& [regional enteritis]) CTV3_Children
XE0qC H/O: colitis CTV3Map_Code_Only
XE2QL Crohn's disease CTV3Map_Code_And_Term
XE2QL Crohn's disease CTV3Map_Code_Only
XM1RP H/O: ulcerative colitis CTV3Map_Code_And_Term
Xa0lh Regional enteritis CTV3Map_Code_And_Term
Xa0lh Regional enteritis CTV3Map_Code_Only
Xa3fm Non-infective gastrointestinal inflammation, NOS CTV3_Children
Xa7nY Non-infective colitis CTV3Map_Code_Only
XaB5x Non-infective enteritis and colitis CTV3Map_Code_Only
XaB5z Enterocolitis CTV3Map_Code_Only
XaK6C Exacerbation of Crohn's disease of small intestine CTV3Map_Code_And_Term
XaK6D Exacerbation of Crohn's disease of large intestine CTV3Map_Code_And_Term
XaK6E Exacerbation of ulcerative colitis CTV3Map_Code_And_Term
XaK6F Exacerbation of non-infective colitis CTV3_Children
XaYzX Ulcerative pancolitis CTV3_Children
XaZ2j Left sided ulcerative colitis CTV3_Children
Y2903 Inflammatory bowel disease in remission CTV3_Children

Codes not in the full codelist are in faint grey.