K00.0 Anodontia

Billable ICD-10-CM code, FY2026.

Applicable to

• Hypodontia
• Oligodontia

Excludes1 (never code together)

• acquired absence of teeth (K08.1-)

Applies from K00 Disorders of tooth development and eruption

Excludes2 (not included here)

• embedded and impacted teeth (K01.-)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 520.0 Anodontia

Code annotations containing back-references to K00.0

Back-references to K00.0

• Type 1 Excludes: K08.1 Complete loss of teeth ("congenital absence of teeth (K00.0)")
• Type 1 Excludes: K08.4 Partial loss of teeth ("congenital absence of teeth (K00.0)")

Diagnosis Index entries for K00.0

• Absence (of) (organ or part) (complete or partial) › teeth, tooth (congenital)
• Anodontia (complete) (partial) (vera)
• Deficiency, deficient › tooth bud

Nearby codes

• K00 Disorders of tooth development and eruption
• K00.0 Anodontia (this code)
• K00.1 Supernumerary teeth
• K00.2 Abnormalities of size and form of teeth
• K00.3 Mottled teeth
• K00.4 Disturbances in tooth formation
• K00.5 Hereditary disturbances in tooth structure, not elsewhere classified