|  K22 |  | Other diseases of esophagus   | 
	
		|  |  | 
	
		| Excludes2 | esophageal varices (I85.-) 
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|  |  | 
	
		|  K22.0 |  | Achalasia of cardia |  
		|  |  | 
| Achalasia NOS |  | Cardiospasm |  
		| Excludes1 | congenital cardiospasm (Q39.5) 
 |  |  | 
|  |  | 
	
		|  K22.1 |  | Ulcer of esophagus |  
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| Barrett's ulcer |  | Erosion of esophagus |  | Fungal ulcer of esophagus |  | Peptic ulcer of esophagus |  | Ulcer of esophagus due to ingestion of chemicals |  | Ulcer of esophagus due to ingestion of drugs and medicaments |  | Ulcerative esophagitis |  
		| CodeFirst | poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4) 
 |  
		| UseAdditionalCode | code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) 
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		| Excludes1 | Barrett's esophagus (K22.7-) 
 |  |  |  |  | 
	
		|  K22.10 |  | Ulcer of esophagus without bleeding |  
		|  |  |  |  |  |  |  | 
	
		|  K22.11 |  | Ulcer of esophagus with bleeding |  
		|  |  |  |  |  | 
|  |  | 
	
		|  K22.2 |  | Esophageal obstruction |  
		|  |  | 
| Compression of esophagus |  | Constriction of esophagus |  | Stenosis of esophagus |  | Stricture of esophagus |  
		| Excludes1 | congenital stenosis or stricture of esophagus (Q39.3) 
 |  |  | 
|  |  | 
	
		|  K22.3 |  | Perforation of esophagus |  
		|  |  | 
| Rupture of esophagus |  
		| Excludes1 | traumatic perforation of (thoracic) esophagus (S27.8-) 
 |  |  | 
|  |  | 
	
		|  K22.4 |  | Dyskinesia of esophagus |  
		|  |  | 
| Corkscrew esophagus |  | Diffuse esophageal spasm |  | Spasm of esophagus |  
		| Excludes1 | cardiospasm (K22.0) 
 |  |  | 
|  |  | 
	
		|  K22.5 |  | Diverticulum of esophagus, acquired |  
		|  |  | 
| Esophageal pouch, acquired |  
		| Excludes1 | diverticulum of esophagus (congenital) (Q39.6) 
 |  |  | 
|  |  | 
	
		|  K22.6 |  | Gastro-esophageal laceration-hemorrhage syndrome |  
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|  |  | 
	
		|  K22.7 |  | Barrett's esophagus |  
		|  |  | 
| Barrett's disease |  | Barrett's syndrome |  
		| Excludes1 | Barrett's ulcer (K22.1) malignant neoplasm of esophagus (C15.-)
 
 |  |  |  |  | 
	
		|  K22.70 |  | Barrett's esophagus without dysplasia |  
		|  |  |  |  |  |  |  | 
	
		|  K22.71 |  | Barrett's esophagus with dysplasia |  |  |  | 
	
		|  K22.710 |  | Barrett's esophagus with low grade dysplasia |  |  |  |  | 
	
		|  K22.711 |  | Barrett's esophagus with high grade dysplasia |  |  |  |  | 
	
		|  K22.719 |  | Barrett's esophagus with dysplasia, unspecified |  |  |  | 
|  |  | 
	
		|  K22.8 |  | Other specified diseases of esophagus |  
		|  |  | 
	
		| Excludes2 | esophageal varices (I85.-) Paterson-Kelly syndrome (D50.1)
 
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		|  K22.81 |  | Esophageal polyp |  
		|  |  | 
	
		| Excludes1 | benign neoplasm of esophagus (D13.0) 
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		|  K22.82 |  | Esophagogastric junction polyp |  
		|  |  | 
	
		| Excludes1 | benign neoplasm of stomach (D13.1) 
 |  |  |  |  |  | 
	
		|  K22.89 |  | Other specified disease of esophagus |  
		|  |  | 
| Hemorrhage of esophagus NOS |  |  |  | 
|  |  | 
	
		|  K22.9 |  | Disease of esophagus, unspecified |  |