Specific code 2014 ICD-9-CM Diagnosis Code 530.0
Achalasia and cardiospasm
  • Billable Code
  • Short description: Achalasia & cardiospasm.
  • ICD-9-CM 530.0 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 530.0 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Achalasia
  • Achalasia of esophagus
  • Acquired achalasia
  • Acquired achalasia of esophagus
  • Megaesophagus due to Chagas disease
  • Megaesophagus in Chagas' disease
Clinical Information
  • Failure of normal relaxation of the lower esophageal sphincter associated with uncoordinated contractions of the thoracic esophagus, resulting in functional obstruction and difficulty swallowing.
530.0 Excludes
  • congenital cardiospasm (750.7)
Applies To
  • Achalasia (of cardia)
  • Aperistalsis of esophagus
  • Megaesophagus
Convert to ICD-10-CM: 530.0 converts approximately to:
  • 2014 ICD-10-CM K22.0 Achalasia of cardia
ICD-9-CM Volume 2 Index entries containing back-references to 530.0:
  • Achalasia 530.0
    • cardia 530.0
    • digestive organs congenital NEC 751.8
    • esophagus 530.0
  • Aperistalsis, esophagus 530.0
  • Cardiospasm (esophagus) (reflex) (stomach) 530.0
  • Dilatation
    • esophagus 530.89
      • congenital 750.4
      • due to
        • achalasia 530.0
        • cardiospasm 530.0
  • Esophagectasis 530.89
    • due to cardiospasm 530.0
  • Incompetency, incompetence, incompetent
    • cardiac (orifice) 530.0
      • valve - see Endocarditis
    • esophagogastric (junction) (sphincter) 530.0
  • Megaesophagus (functional) 530.0
  • Megaloesophagus (functional) 530.0
  • Spasm, spastic, spasticity (see also condition) 781.0
    • cardia 530.0
  • Syndrome - see also Disease
    • gastroesophageal junction 530.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 530.0 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.