K00.4
K00.4: Disturbances in tooth formation
Billable / specific codeICD-10-CM
K00.4 is a billable, specific ICD-10-CM code for disturbances in tooth formation. It is valid for submission on a claim.
Check K00.4 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- mottled teeth (K00.3)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Aplasia and hypoplasia of cementum
- Dilaceration of tooth
- Enamel hypoplasia (neonatal) (postnatal) (prenatal)
- Regional odontodysplasia
- Turner's tooth
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Dilaceration, tooth
- Odontodysplasia, regional
- Amelogenesis imperfecta›nonhereditaria(segmentalis)
- Aplasia›cementum
- Calcification›dentinal papilla
- Ghost›teeth
- Hypoplasia, hypoplastic›cementum
- Hypoplasia, hypoplastic›enamel of teeth(neonatal) (postnatal) (prenatal)
- Hypoplasia, hypoplastic›Turner's
- Pitting›teeth
- Turner's›hypoplasia(tooth)
- Turner's›tooth
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under K00
- K00.0Anodontia
- K00.1Supernumerary teeth
- K00.2Abnormalities of size and form of teeth
- K00.3Mottled teeth
- K00.5Hereditary disturbances in tooth structure, not elsewhere classified
- K00.6Disturbances in tooth eruption
- K00.7Teething syndrome
- K00.8Other disorders of tooth development
- K00.9Disorder of tooth development, unspecified