K22.9 is the authoritative medical code for Disease of esophagus, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for disease of esophagus, unspecified (ICD-10-CM K22.9), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Disease of esophagus, unspecified is a billable ICD-10-CM diagnosis code K22.9. Excludes2 (not included here): esophageal varices I85.-; hiatus hernia K44.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for K22.9 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- esophageal varices I85.-
- hiatus hernia K44.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can K22.9 be reported alongside related conditions?
Per Excludes2 instructions, K22.9 and the following may both be reported when both are present: esophageal varices (I85.-); hiatus hernia (K44.-).
Codes in This Family (20)
Official ICD-10-CM classifications in the same code family as K22.9, with their registry titles.
- K22 — Other diseases of esophagus
- K22.0 — Achalasia of cardia
- K22.1 — Ulcer of esophagus
- K22.10 — Ulcer of esophagus without bleeding
- K22.11 — Ulcer of esophagus with bleeding
- 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
- K22.70 — Barrett's esophagus without dysplasia
- K22.71 — Barrett's esophagus with dysplasia
- K22.710 — Barrett's esophagus with low grade dysplasia
- K22.711 — Barrett's esophagus with high grade dysplasia
- K22.719 — Barrett's esophagus with dysplasia, unspecified
- K22.8 — Other specified diseases of esophagus
- K22.81 — Esophageal polyp
- K22.82 — Esophagogastric junction polyp
- K22.89 — Other specified disease of esophagus
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Disease, diseased, esophagus
- Disorder (of), esophagus
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code K25.9
Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation
ICD Code K26.9
Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
ICD Code K27.9
Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation