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Chapter 11: Diseases of the digestive system
K20-K31

Diseases of esophagus, stomach and duodenum

Explore the ICD-10 code range K20-K31 for diseases of the esophagus, stomach, and duodenum, essential for precise medical documentation and coding specificity. Enhance clinical workflows with accurate coding for esophageal disorders, gastritis, and duodenal conditions. Optimize healthcare records and billing processes with comprehensive insights into these gastrointestinal diseases.

About This Range
135+
Total codes
105+
Billable codes
30+
Non-billable codes
11
Chapters
Codes in this Range (135+)
Chapter 11: Diseases of the digestive system Range: K00-K95
K20
Esophagitis
K20.0
Eosinophilic esophagitis
Billable
K20.8
Other esophagitis
K20.80
Other esophagitis without bleeding
Billable
K20.81
Other esophagitis with bleeding
Billable
K20.9
Esophagitis, unspecified
K20.90
Esophagitis, unspecified without bleeding
Billable
K20.91
Esophagitis, unspecified with bleeding
Billable
K21
Gastro-esophageal reflux disease
K21.0
Gastro-esophageal reflux disease with esophagitis
K21.00
Gastro-esophageal reflux disease with esophagitis, without bleeding
Billable
K21.01
Gastro-esophageal reflux disease with esophagitis, with bleeding
Billable
K21.9
Gastro-esophageal reflux disease without esophagitis
Billable
K22
Other diseases of esophagus
K22.0
Achalasia of cardia
Billable
K22.1
Ulcer of esophagus
K22.10
Ulcer of esophagus without bleeding
Billable
K22.11
Ulcer of esophagus with bleeding
Billable
K22.2
Esophageal obstruction
Billable
K22.3
Perforation of esophagus
Billable
K22.4
Dyskinesia of esophagus
Billable
K22.5
Diverticulum of esophagus, acquired
Billable
K22.6
Gastro-esophageal laceration-hemorrhage syndrome
Billable
K22.7
Barrett's esophagus
K22.70
Barrett's esophagus without dysplasia
Billable
K22.71
Barrett's esophagus with dysplasia
K22.710
Barrett's esophagus with low grade dysplasia
Billable
K22.711
Barrett's esophagus with high grade dysplasia
Billable
K22.719
Barrett's esophagus with dysplasia, unspecified
Billable
K22.8
Other specified diseases of esophagus
K22.81
Esophageal polyp
Billable
K22.82
Esophagogastric junction polyp
Billable
K22.89
Other specified disease of esophagus
Billable
K22.9
Disease of esophagus, unspecified
Billable
K23
Disorders of esophagus in diseases classified elsewhere
Billable
K25
Gastric ulcer
K25.0
Acute gastric ulcer with hemorrhage
Billable
K25.1
Acute gastric ulcer with perforation
Billable
K25.2
Acute gastric ulcer with both hemorrhage and perforation
Billable
K25.3
Acute gastric ulcer without hemorrhage or perforation
Billable
K25.4
Chronic or unspecified gastric ulcer with hemorrhage
Billable
K25.5
Chronic or unspecified gastric ulcer with perforation
Billable
K25.6
Chronic or unspecified gastric ulcer with both hemorrhage and perforation
Billable
K25.7
Chronic gastric ulcer without hemorrhage or perforation
Billable
K25.9
Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation
Billable
K26
Duodenal ulcer
K26.0
Acute duodenal ulcer with hemorrhage
Billable
K26.1
Acute duodenal ulcer with perforation
Billable
K26.2
Acute duodenal ulcer with both hemorrhage and perforation
Billable
K26.3
Acute duodenal ulcer without hemorrhage or perforation
Billable
K26.4
Chronic or unspecified duodenal ulcer with hemorrhage
Billable
K26.5
Chronic or unspecified duodenal ulcer with perforation
Billable
K26.6
Chronic or unspecified duodenal ulcer with both hemorrhage and perforation
Billable
K26.7
Chronic duodenal ulcer without hemorrhage or perforation
Billable
K26.9
Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
Billable
K27
Peptic ulcer, site unspecified
K27.0
Acute peptic ulcer, site unspecified, with hemorrhage
Billable
K27.1
Acute peptic ulcer, site unspecified, with perforation
Billable
K27.2
Acute peptic ulcer, site unspecified, with both hemorrhage and perforation
Billable
K27.3
Acute peptic ulcer, site unspecified, without hemorrhage or perforation
Billable
K27.4
Chronic or unspecified peptic ulcer, site unspecified, with hemorrhage
Billable
K27.5
Chronic or unspecified peptic ulcer, site unspecified, with perforation
Billable
K27.6
Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforation
Billable
K27.7
Chronic peptic ulcer, site unspecified, without hemorrhage or perforation
Billable
K27.9
Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation
Billable
K28
Gastrojejunal ulcer
K28.0
Acute gastrojejunal ulcer with hemorrhage
Billable
K28.1
Acute gastrojejunal ulcer with perforation
Billable
K28.2
Acute gastrojejunal ulcer with both hemorrhage and perforation
Billable
K28.3
Acute gastrojejunal ulcer without hemorrhage or perforation
Billable
K28.4
Chronic or unspecified gastrojejunal ulcer with hemorrhage
Billable
K28.5
Chronic or unspecified gastrojejunal ulcer with perforation
Billable
K28.6
Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation
Billable
K28.7
Chronic gastrojejunal ulcer without hemorrhage or perforation
Billable
K28.9
Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
Billable
K29
Gastritis and duodenitis
K29.0
Acute gastritis
K29.00
Acute gastritis without bleeding
Billable
K29.01
Acute gastritis with bleeding
Billable
K29.2
Alcoholic gastritis
K29.20
Alcoholic gastritis without bleeding
Billable
K29.21
Alcoholic gastritis with bleeding
Billable
K29.3
Chronic superficial gastritis
K29.30
Chronic superficial gastritis without bleeding
Billable
K29.31
Chronic superficial gastritis with bleeding
Billable
K29.4
Chronic atrophic gastritis
K29.40
Chronic atrophic gastritis without bleeding
Billable
K29.41
Chronic atrophic gastritis with bleeding
Billable
K29.5
Unspecified chronic gastritis
K29.50
Unspecified chronic gastritis without bleeding
Billable
K29.51
Unspecified chronic gastritis with bleeding
Billable
K29.6
Other gastritis
K29.60
Other gastritis without bleeding
Billable
K29.61
Other gastritis with bleeding
Billable
K29.7
Gastritis, unspecified
K29.70
Gastritis, unspecified, without bleeding
Billable
K29.71
Gastritis, unspecified, with bleeding
Billable
K29.8
Duodenitis
K29.80
Duodenitis without bleeding
Billable
K29.81
Duodenitis with bleeding
Billable
K29.9
Gastroduodenitis, unspecified
K29.90
Gastroduodenitis, unspecified, without bleeding
Billable
K29.91
Gastroduodenitis, unspecified, with bleeding
Billable
K30
Functional dyspepsia
Billable
K31
Other diseases of stomach and duodenum
K31.0
Acute dilatation of stomach
Billable
K31.1
Adult hypertrophic pyloric stenosis
Billable
K31.2
Hourglass stricture and stenosis of stomach
Billable
K31.3
Pylorospasm, not elsewhere classified
Billable
K31.4
Gastric diverticulum
Billable
K31.5
Obstruction of duodenum
Billable
K31.6
Fistula of stomach and duodenum
Billable
K31.7
Polyp of stomach and duodenum
Billable
K31.8
Other specified diseases of stomach and duodenum
K31.81
Angiodysplasia of stomach and duodenum
K31.811
Angiodysplasia of stomach and duodenum with bleeding
Billable
K31.819
Angiodysplasia of stomach and duodenum without bleeding
Billable
K31.82
Dieulafoy lesion (hemorrhagic) of stomach and duodenum
Billable
K31.83
Achlorhydria
Billable
K31.84
Gastroparesis
Billable
K31.89
Other diseases of stomach and duodenum
Billable
K31.9
Disease of stomach and duodenum, unspecified
Billable
K31.A
Gastric intestinal metaplasia
K31.A0
Gastric intestinal metaplasia, unspecified
Billable
K31.A1
Gastric intestinal metaplasia without dysplasia
K31.A11
Gastric intestinal metaplasia without dysplasia, involving the antrum
Billable
K31.A12
Gastric intestinal metaplasia without dysplasia, involving the body (corpus)
Billable
K31.A13
Gastric intestinal metaplasia without dysplasia, involving the fundus
Billable
K31.A14
Gastric intestinal metaplasia without dysplasia, involving the cardia
Billable
K31.A15
Gastric intestinal metaplasia without dysplasia, involving multiple sites
Billable
K31.A19
Gastric intestinal metaplasia without dysplasia, unspecified site
Billable
K31.A2
Gastric intestinal metaplasia with dysplasia
K31.A21
Gastric intestinal metaplasia with low grade dysplasia
Billable
K31.A22
Gastric intestinal metaplasia with high grade dysplasia
Billable
K31.A29
Gastric intestinal metaplasia with dysplasia, unspecified
Billable

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Frequently Asked Questions
What are the common symptoms of esophageal diseases under ICD-10 code K20-K31?

Common symptoms of esophageal diseases, classified under ICD-10 codes K20-K31, include difficulty swallowing, chest pain, heartburn, and regurgitation. These symptoms may indicate conditions like esophagitis or Barrett's esophagus.

How are stomach diseases diagnosed according to ICD-10 codes K20-K31?

Stomach diseases within the ICD-10 code range K20-K31 are diagnosed using endoscopy, imaging tests like CT scans, and laboratory tests to assess symptoms such as abdominal pain, nausea, and vomiting.

What treatment options are available for duodenal diseases in the ICD-10 K20-K31 category?

Treatment for duodenal diseases in the ICD-10 K20-K31 category may include medications such as proton pump inhibitors, antibiotics for infections like H. pylori, and dietary modifications to manage symptoms and promote healing.

Diseases of esophagus, stomach and duodenum