K00.0 vs K08.1
K00.0 (Anodontia) compared with K08.1 (Complete loss of teeth), 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. K00.0 carries an Excludes1 note covering K08.1: “acquired absence of teeth (K08.1-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. K08.1 carries an Excludes1 note covering K00.0: “congenital absence of teeth (K00.0)”
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
| K00.0Anodontia | K08.1Complete loss of teeth | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Anodontia is a billable ICD-10-CM diagnosis code (K00.0). | Complete loss of teeth is a non-billable ICD-10-CM category code (K08.1). |
| Includes | Hypodontia Oligodontia | Acquired loss of teeth, complete |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources