Departments of Anesthesiology and Biostatistics | University of Michigan

ICD mappings

ICD code Type Description Phenome
K31.1 ICD10CM Adult hypertrophic pyloric stenosis MGI
K31.2 ICD10CM Hourglass stricture and stenosis of stomach MGI
K31.3 ICD10CM Pylorospasm, not elsewhere classified MGI
K31.4 ICD10CM Gastric diverticulum MGI
K31.5 ICD10CM Obstruction of duodenum MGI
K31.6 ICD10CM Fistula of stomach and duodenum MGI
K31.8 ICD10CM Other specified diseases of stomach and duodenum MGI
K31.81 ICD10CM Angiodysplasia of stomach and duodenum MGI
K31.811 ICD10CM Angiodysplasia of stomach and duodenum with bleeding MGI
K31.819 ICD10CM Angiodysplasia of stomach and duodenum without bleeding MGI
K31.82 ICD10CM Dieulafoy lesion (hemorrhagic) of stomach and duodenum MGI
K31.83 ICD10CM Achlorhydria MGI
K31.84 ICD10CM Gastroparesis MGI
K31.89 ICD10CM Other diseases of stomach and duodenum MGI
K31.9 ICD10CM Disease of stomach and duodenum, unspecified MGI
K92.81 ICD10CM Gastrointestinal mucositis (ulcerative) MGI
537.0 ICD9CM Acquired hypertrophic pyloric stenosis MGI
537.1 ICD9CM Gastric diverticulum MGI
537.2 ICD9CM Chronic duodenal ileus MGI
537.3 ICD9CM Other obstruction of duodenum MGI
537.4 ICD9CM Fistula of stomach or duodenum MGI
537.5 ICD9CM Gastroptosis MGI
537.6 ICD9CM Hourglass stricture or stenosis of stomach MGI
537.81 ICD9CM Pylorospasm MGI
537.82 ICD9CM Angiodysplasia of stomach and duodenum without mention of hemorrhage MGI
537.83 ICD9CM Angiodysplasia of stomach and duodenum with hemorrhage MGI
537.84 ICD9CM Dieulafoy lesion (hemorrhagic) of stomach and duodenum MGI
537.89 ICD9CM Other specified disorders of stomach and duodenum MGI
537.9 ICD9CM Unspecified disorder of stomach and duodenum MGI
538 ICD9CM Gastrointestinal mucositis (ulcerative) MGI
K31.1 ICD10 K31.1 Adult hypertrophic pyloric stenosis UKB
K31.2 ICD10 K31.2 Hourglass stricture and stenosis of stomach UKB
K31.3 ICD10 K31.3 Pylorospasm, not elsewhere classified UKB
K31.4 ICD10 K31.4 Gastric diverticulum UKB
K31.5 ICD10 K31.5 Obstruction of duodenum UKB
K31.6 ICD10 K31.6 Fistula of stomach and duodenum UKB
K31.8 ICD10 K31.8 Other specified diseases of stomach and duodenum UKB
K31.9 ICD10 K31.9 Disease of stomach and duodenum, unspecified UKB
537 ICD9 537 Other disorders of stomach and duodenum UKB
537.0 ICD9 5370 Adult hypertrophic pyloric stenosis UKB
537.1 ICD9 5371 Gastric diverticulum UKB
537.2 ICD9 5372 Chronic duodenal ileus UKB
537.3 ICD9 5373 Other obstruction of duodenum UKB
537.4 ICD9 5374 Fistula of stomach or duodenum UKB
537.5 ICD9 5375 Gastroptosis UKB
537.6 ICD9 5376 Hourglass stricture or stenosis of stomach UKB
537.8 ICD9 5378 Other specified disorders of stomach and duodenum UKB
537.9 ICD9 5379 Disorders of stomach and duodenum, unspecified UKB

This page is mainly a phenotype dictionary entry. When you are trying to find candidate PRS models, go to the Scores table, search by trait or exposure name, and then use the score-detail and PheWAS pages for model-specific follow-up.

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