K22.5 vs Q39.6
K22.5 (Diverticulum of esophagus, acquired) compared with Q39.6 (Congenital diverticulum of esophagus), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. K22.5 carries an Excludes1 note covering Q39.6: “diverticulum of esophagus (congenital) (Q39.6)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| K22.5Diverticulum of esophagus, acquired | Q39.6Congenital diverticulum of esophagus | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Diverticulum of esophagus, acquired is a billable ICD-10-CM diagnosis code (K22.5). | Congenital diverticulum of esophagus is a billable ICD-10-CM diagnosis code (Q39.6). |
| Includes | Esophageal pouch, acquired | Congenital esophageal pouch |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources