Is K22.0 a billable ICD-10-CM code?

Yes. K22.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does K22.0 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Diseases of esophagus, stomach and duodenum (K20-K31).

What cannot be coded together with K22.0?

K22.0 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

K22.0

K22.0 — Achalasia of cardia

Billable / specific codeICD-10-CM

K22.0 is a billable, specific ICD-10-CM code for achalasia of cardia. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

congenital cardiospasm (Q39.5)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Achalasia NOS
Cardiospasm

Other codes that can never be billed with K22.0

These codes carry an Excludes1 note pointing at K22.0. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading K22.0 alone.

K22.4Dyskinesia of esophagus

Risk adjustment

K22.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

K22.0 is named in 30 Medicare coverage policies — 30 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A54095Billing and Coding: Nerve Conduction Studies and Electromyography
A54969Billing and Coding: Nerve Conduction Studies and Electromyography
A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax

How K22.0 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K22.0.

Achalasia(cardia) (esophagus)
Aperistalsis, esophagus
Cardiospasm(esophagus) (reflex) (stomach)
Megaesophagus(functional)
Megaloesophagus(functional)
Incompetency, incompetent, incompetence›esophagogastric(junction) (sphincter)
Spasm, spastic, spasticity›cardia
Dilatation›esophagus›due to achalasia
Syndrome›gastroesophageal›junction

Related codes at this level

Codes that share K22. If K22.0 is not quite right, the correct code is usually one of these.

Questions about K22.0

Is K22.0 a billable ICD-10-CM code?: Yes. K22.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K22.0 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Diseases of esophagus, stomach and duodenum (K20-K31).
What cannot be coded together with K22.0?: K22.0 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.