K22.0
Achalasia of cardia
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 11 never code together
K00-K95chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 2
K22.0code
Inclusion terms
- Achalasia NOS
- Cardiospasm
Index entries leading here 9
- Achalasia (cardia) (esophagus) K22.0
- Aperistalsis, esophagus K22.0
- Spasm (s) , spastic, spasticity R25.2
- cardia K22.0
- Cardiospasm (esophagus) (reflex) (stomach) K22.0
- Dilatation
- Incompetency, incompetent, incompetence
- esophagogastric (junction) (sphincter) K22.0
- Syndrome — see also Disease
- gastroesophageal
- junction K22.0
- gastroesophageal
- Megaesophagus (functional) K22.0
- Megaloesophagus (functional) K22.0
Alongside this code 9 same parent — K22
K22.1 Ulcer of esophagus category 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 category K22.8 Other specified diseases of esophagus category K22.9 Disease of esophagus, unspecified
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.