ICD-10-CM 2027
ICD-10 code for Nutcracker esophagus
From the official ICD-10-CM alphabetic index entry “Nutcracker esophagus”. Page updated September 29, 2026.
About coding Nutcracker esophagus
The ICD-10-CM code for Nutcracker esophagus is K22.4 (Dyskinesia of esophagus).
Within K22 (other diseases of esophagus), K22.4 is specifically for dyskinesia of esophagus. Related codes cover Achalasia of cardia (K22.0), ulcer of esophagus (K22.1), esophageal obstruction (K22.2), perforation of esophagus (K22.3), 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 K22.4 together with the conditions in its Excludes1 note: cardiospasm (K22.0).
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 K22.4)
- cardiospasm (K22.0)
Common questions about Nutcracker esophagus ICD-10 codes
What is the ICD-10 code for Nutcracker esophagus?
- K22.4 — Dyskinesia of esophagus.
Is K22.4 billable?
- Yes. K22.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K22.4 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K22.4 as a principal diagnosis.
Is K22.4 a CC or MCC?
- No. K22.4 is neither a CC nor an MCC under MS-DRG v44.0.