Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for Aperistalsis

K22.0

Achalasia of cardia

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Aperistalsis, esophagus”. Page updated September 29, 2026.

About coding Aperistalsis

The ICD-10-CM code for Aperistalsis is K22.0 (Achalasia of cardia).

Within K22 (other diseases of esophagus), K22.0 is specifically for Achalasia of cardia. Related codes cover ulcer of esophagus (K22.1), esophageal obstruction (K22.2), perforation of esophagus (K22.3), dyskinesia of esophagus (K22.4), diverticulum of esophagus, acquired (K22.5), Gastro-esophageal laceration-hemorrhage syndrome (K22.6), Barrett's esophagus (K22.7), other specified diseases of esophagus (K22.8) and 1 more.

Don't report K22.0 together with the conditions in its Excludes1 note: congenital cardiospasm (Q39.5).

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

Don't confuse with (Excludes1 for K22.0)

  • congenital cardiospasm (Q39.5)

Common questions about Aperistalsis ICD-10 codes

What is the ICD-10 code for Aperistalsis?

K22.0 — Achalasia of cardia.

Is K22.0 billable?

Yes. K22.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can K22.0 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict K22.0 as a principal diagnosis.

Is K22.0 a CC or MCC?

No. K22.0 is neither a CC nor an MCC under MS-DRG v44.0.