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. Author manuscript; available in PMC: 2016 Aug 16.
Published in final edited form as: J Nephrol. 2014 Sep 4;28(2):235–243. doi: 10.1007/s40620-014-0132-6

Table 2.

Distribution of the causes of gastrointestinal bleeding in the patient population

Type Etiology ICD-9-CM code N Percent
Total 133,967 100.00
Upper GI bleeding Acute duodenal ulcer with hemorrhage 532.xx 1,471 1.1
Acute gastric ulcer with hemorrhage 531.xx 2,144 1.6
Acute gastritis with hemorrhage 535.01 1,898 1.42
Acute gastrojejunal ulcer with hemorrhage 534.xx 57 0.04
Acute peptic ulcer with hemorrhage 533.xx 121 0.1
Alcoholic gastritis with hemorrhage 535.31 49 0.04
Angiodysplasia of stomach and duodenum with hemorrhage 537.83 3,688 2.75
Atrophic gastritis with hemorrhage 535.11 1,335 1.00
Chronic duodenal ulcer with hemorrhage 532.xx 5,281 3.94
Chronic gastric ulcer with hemorrhage 531.xx 8,540 6.37
Chronic or unspecified gastrojejunal ulcer with hemorrhage 534.xx 199 0.15
535.61 1,737 1.30
Chronic peptic ulcer with hemorrhage 533.xx 816 0.61
Dieulafoy lesion (hemorrhagic) of stomach and duodenum 537.84 352 0.26
Esophageal hemorrhage 530.82 2,970 2.22
Esophageal varices with bleeding 456.0 366 0.27
Esophageal varices with bleeding in diseases classified elsewhere 456.20 901 0.67
Gastric mucosal hypertrophy with hemorrhage (hypertrophic gastritis) 535.21 25 0.02
Gastroesophageal laceration-hemorrhage syndrome (Mallory-Weiss syndrome) 530.7 3,136 2.34
Hematemesis 578.0 7,868 5.87
Other specified gastritis with hemorrhage 535.41 5,412 4.04
Ulcer of the esophagus with bleeding 530.21 831 0.62
Unspecified gastritis and gastroduodenitis with hemorrhage 535.51 5,059 3.78
Lower GI bleeding Angiodysplasia of intestine with hemorrhage 569.85 4,480 3.34
Dieulafoy lesion (hemorrhagic) of intestine 569.86 60 0.04
Diverticulitis of colon with hemorrhage 562.13 1,467 1.10
Diverticulitis of small intestine with hemorrhage 562.03 13 0.01
Diverticulosis of colon with hemorrhage 562.12 8,338 6.22
Diverticulosis of small intestine with hemorrhage 562.02 102 0.08
Acute vascular insufficiency of intestine 557.0 6,682 4.99
Hemorrhage of rectum and anus 569.3 6,911 5.16
Unspecified source Hemorrhage of gastrointestinal tract, unspecified 578.9 35,592 26.57
Occult blood in stool 792.1 2,215 1.65
Blood in stool 578.1 13,844 10.33