K20-K31
Diseases of esophagus, stomach and duodenum
Block coding notes
Excludes 1 never together · Excludes 2 may co-exist
Excludes 2
hiatus hernia (K44.-)
Codes in this block
135 codes
Billableusable codeNon-billableheader / grouping codeRisk-adjusting
- K20EsophagitisNon-billable
- K20.0Eosinophilic esophagitisBillable
- K20.8Other esophagitisNon-billable
- K20.80Other esophagitis without bleedingBillable
- K20.81Other esophagitis with bleedingBillable
- K20.9Esophagitis, unspecifiedNon-billable
- K20.90Esophagitis, unspecified without bleedingBillable
- K20.91Esophagitis, unspecified with bleedingBillable
- K21Gastro-esophageal reflux diseaseNon-billable
- K21.0Gastro-esophageal reflux disease with esophagitisNon-billable
- K21.00Gastro-esophageal reflux disease with esophagitis, without bleedingBillable
- K21.01Gastro-esophageal reflux disease with esophagitis, with bleedingBillable
- K21.9Gastro-esophageal reflux disease without esophagitisBillable
- K22Other diseases of esophagusNon-billable
- K22.0Achalasia of cardiaBillable
- K22.1Ulcer of esophagusNon-billable
- K22.10Ulcer of esophagus without bleedingBillable
- K22.11Ulcer of esophagus with bleedingBillable
- K22.2Esophageal obstructionBillable
- K22.3Perforation of esophagusBillable
- K22.4Dyskinesia of esophagusBillable
- K22.5Diverticulum of esophagus, acquiredBillable
- K22.6Gastro-esophageal laceration-hemorrhage syndromeBillable
- K22.7Barrett's esophagusNon-billable
- K22.70Barrett's esophagus without dysplasiaBillable
- K22.71Barrett's esophagus with dysplasiaNon-billable
- K22.710Barrett's esophagus with low grade dysplasiaBillable
- K22.711Barrett's esophagus with high grade dysplasiaBillable
- K22.719Barrett's esophagus with dysplasia, unspecifiedBillable
- K22.8Other specified diseases of esophagusNon-billable
- K22.81Esophageal polypBillable
- K22.82Esophagogastric junction polypBillable
- K22.89Other specified disease of esophagusBillable
- K22.9Disease of esophagus, unspecifiedBillable
- K23Disorders of esophagus in diseases classified elsewhereBillable
- K25Gastric ulcerNon-billable
- K25.0Acute gastric ulcer with hemorrhageBillable
- K25.1Acute gastric ulcer with perforationBillable
- K25.2Acute gastric ulcer with both hemorrhage and perforationBillable
- K25.3Acute gastric ulcer without hemorrhage or perforationBillable
- K25.4Chronic or unspecified gastric ulcer with hemorrhageBillable
- K25.5Chronic or unspecified gastric ulcer with perforationBillable
- K25.6Chronic or unspecified gastric ulcer with both hemorrhage and perforationBillable
- K25.7Chronic gastric ulcer without hemorrhage or perforationBillable
- K25.9Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforationBillable
- K26Duodenal ulcerNon-billable
- K26.0Acute duodenal ulcer with hemorrhageBillable
- K26.1Acute duodenal ulcer with perforationBillable
- K26.2Acute duodenal ulcer with both hemorrhage and perforationBillable
- K26.3Acute duodenal ulcer without hemorrhage or perforationBillable
- K26.4Chronic or unspecified duodenal ulcer with hemorrhageBillable
- K26.5Chronic or unspecified duodenal ulcer with perforationBillable
- K26.6Chronic or unspecified duodenal ulcer with both hemorrhage and perforationBillable
- K26.7Chronic duodenal ulcer without hemorrhage or perforationBillable
- K26.9Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforationBillable
- K27Peptic ulcer, site unspecifiedNon-billable
- K27.0Acute peptic ulcer, site unspecified, with hemorrhageBillable
- K27.1Acute peptic ulcer, site unspecified, with perforationBillable
- K27.2Acute peptic ulcer, site unspecified, with both hemorrhage and perforationBillable
- K27.3Acute peptic ulcer, site unspecified, without hemorrhage or perforationBillable
- K27.4Chronic or unspecified peptic ulcer, site unspecified, with hemorrhageBillable
- K27.5Chronic or unspecified peptic ulcer, site unspecified, with perforationBillable
- K27.6Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforationBillable
- K27.7Chronic peptic ulcer, site unspecified, without hemorrhage or perforationBillable
- K27.9Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforationBillable
- K28Gastrojejunal ulcerNon-billable
- K28.0Acute gastrojejunal ulcer with hemorrhageBillable
- K28.1Acute gastrojejunal ulcer with perforationBillable
- K28.2Acute gastrojejunal ulcer with both hemorrhage and perforationBillable
- K28.3Acute gastrojejunal ulcer without hemorrhage or perforationBillable
- K28.4Chronic or unspecified gastrojejunal ulcer with hemorrhageBillable
- K28.5Chronic or unspecified gastrojejunal ulcer with perforationBillable
- K28.6Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforationBillable
- K28.7Chronic gastrojejunal ulcer without hemorrhage or perforationBillable
- K28.9Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforationBillable
- K29Gastritis and duodenitisNon-billable
- K29.0Acute gastritisNon-billable
- K29.00Acute gastritis without bleedingBillable
- K29.01Acute gastritis with bleedingBillable
- K29.2Alcoholic gastritisNon-billable
- K29.20Alcoholic gastritis without bleedingBillable
- K29.21Alcoholic gastritis with bleedingBillable
- K29.3Chronic superficial gastritisNon-billable
- K29.30Chronic superficial gastritis without bleedingBillable
- K29.31Chronic superficial gastritis with bleedingBillable
- K29.4Chronic atrophic gastritisNon-billable
- K29.40Chronic atrophic gastritis without bleedingBillable
- K29.41Chronic atrophic gastritis with bleedingBillable
- K29.5Unspecified chronic gastritisNon-billable
- K29.50Unspecified chronic gastritis without bleedingBillable
- K29.51Unspecified chronic gastritis with bleedingBillable
- K29.6Other gastritisNon-billable
- K29.60Other gastritis without bleedingBillable
- K29.61Other gastritis with bleedingBillable
- K29.7Gastritis, unspecifiedNon-billable
- K29.70Gastritis, unspecified, without bleedingBillable
- K29.71Gastritis, unspecified, with bleedingBillable
- K29.8DuodenitisNon-billable
- K29.80Duodenitis without bleedingBillable
- K29.81Duodenitis with bleedingBillable
- K29.9Gastroduodenitis, unspecifiedNon-billable
- K29.90Gastroduodenitis, unspecified, without bleedingBillable
- K29.91Gastroduodenitis, unspecified, with bleedingBillable
- K30Functional dyspepsiaBillable
- K31Other diseases of stomach and duodenumNon-billable
- K31.0Acute dilatation of stomachBillable
- K31.1Adult hypertrophic pyloric stenosisBillable
- K31.2Hourglass stricture and stenosis of stomachBillable
- K31.3Pylorospasm, not elsewhere classifiedBillable
- K31.4Gastric diverticulumBillable
- K31.5Obstruction of duodenumBillable
- K31.6Fistula of stomach and duodenumBillable
- K31.7Polyp of stomach and duodenumBillable
- K31.8Other specified diseases of stomach and duodenumNon-billable
- K31.81Angiodysplasia of stomach and duodenumNon-billable
- K31.811Angiodysplasia of stomach and duodenum with bleedingBillable
- K31.819Angiodysplasia of stomach and duodenum without bleedingBillable
- K31.82Dieulafoy lesion (hemorrhagic) of stomach and duodenumBillable
- K31.83AchlorhydriaBillable
- K31.84GastroparesisBillable
- K31.89Other diseases of stomach and duodenumBillable
- K31.9Disease of stomach and duodenum, unspecifiedBillable
- K31.AGastric intestinal metaplasiaNon-billable
- K31.A0Gastric intestinal metaplasia, unspecifiedBillable
- K31.A1Gastric intestinal metaplasia without dysplasiaNon-billable
- K31.A11Gastric intestinal metaplasia without dysplasia, involving the antrumBillable
- K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)Billable
- K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundusBillable
- K31.A14Gastric intestinal metaplasia without dysplasia, involving the cardiaBillable
- K31.A15Gastric intestinal metaplasia without dysplasia, involving multiple sitesBillable
- K31.A19Gastric intestinal metaplasia without dysplasia, unspecified siteBillable
- K31.A2Gastric intestinal metaplasia with dysplasiaNon-billable
- K31.A21Gastric intestinal metaplasia with low grade dysplasiaBillable
- K31.A22Gastric intestinal metaplasia with high grade dysplasiaBillable
- K31.A29Gastric intestinal metaplasia with dysplasia, unspecifiedBillable