K00–K95
Diseases of the Digestive System
GERD, IBS, liver disease, appendicitis
K14.9
Disease of tongue, unspecified
Billable
K20
Esophagitis
Non-billable
K20.0
Eosinophilic esophagitis
Billable
K20.8
Other esophagitis
Non-billable
K20.80
Other esophagitis without bleeding
Billable
K20.81
Other esophagitis with bleeding
Billable
K20.9
Esophagitis, unspecified
Non-billable
K20.90
Esophagitis, unspecified without bleeding
Billable
K20.91
Esophagitis, unspecified with bleeding
Billable
K21
Gastro-esophageal reflux disease
Non-billable
K21.0
Gastro-esophageal reflux disease with esophagitis
Non-billable
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
Non-billable
K22.0
Achalasia of cardia
Billable
K22.1
Ulcer of esophagus
Non-billable
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
Non-billable
K22.70
Barrett's esophagus without dysplasia
Billable
K22.71
Barrett's esophagus with dysplasia
Non-billable
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
Non-billable
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
Non-billable
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
Non-billable
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
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