K22.0
ICD-10BillableAchalasia of cardia
Official ICD-10-CM descriptor (FY2026)
Achalasia of cardia
K22.0 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Achalasia NOS
- Cardiospasm
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- congenital cardiospasm (Q39.5)
Related codes in K22
- K22.1Ulcer of esophaguscategory
- K22.2Esophageal obstruction
- K22.3Perforation of esophagus
- K22.4Dyskinesia of esophagus
- K22.5Diverticulum of esophagus, acquired
- K22.6Gastro-esophageal laceration-hemorrhage syndrome
- K22.7Barrett's esophaguscategory
- K22.8Other specified diseases of esophaguscategory
- K22.9Disease of esophagus, unspecified
Where this code sits
- Parent code
- K22
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.