Diagnosis Code


Code Information

Diagnosis Code: K22.0

Short Description: Achalasia of cardia

Long Description: Achalasia of cardia

The code K22.0 is VALID for claim submission

Code Classification:

  • Diseases of the digestive system (K00–K93)
    • Diseases of esophagus, stomach and duodenum (K20-K31)
      • Other diseases of esophagus (K22)
        • K22.0 Achalasia of cardia

Code Version: 2022 ICD-10-CM


  • Absent peristalsis
  • Achalasia
  • Achalasia of esophagus
  • Achalasia of esophagus
  • Achalasia of esophagus
  • Acquired achalasia of esophagus
  • Aperistalsis of esophagus
  • Congenital achalasia of esophagus
  • Dilatation of esophagus
  • Disorder of esophageal peristalsis
  • Glucocorticoid deficiency with achalasia
  • Hypertensive spasm of cardiac sphincter
  • Idiopathic achalasia of esophagus
  • Megaesophagus
  • Moyamoya disease
  • Moyamoya disease with early onset achalasia

Diagnostic Related Group(s)

The code K22.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders With Mcc (391)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders Without Mcc (392)

References to Index of Diseases and Injuries

The code K22.0 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Achalasia NOS
    • Cardiospasm
  • Type 1 Excludes Notes:
    • congenital cardiospasm (@Q39.5*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
K22.0 Right Arrow 530.0 Achalasia & cardiospasm

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
K22 Other diseases of esophagus
K22.1 Ulcer of esophagus
K22.10 Ulcer of esophagus without bleeding
K22.11 Ulcer of esophagus with bleeding
K22.2 Esophageal obstruction
K22.3 Perforation of esophagus
K22.4 Dyskinesia of esophagus
K22.5 Diverticulum of esophagus, acquired
K22.6 Gastro-esophageal laceration-hemorrhage syndrome
K22.7 Barrett's esophagus
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
K22.81 Esophageal polyp
K22.82 Esophagogastric junction polyp
K22.89 Other specified disease of esophagus
K22.9 Disease of esophagus, unspecified

This page was last updated on: 10/1/2021