K00
Disorders of tooth development and eruption
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
K00 is a non-billable ICD-10-CM code category for disorders of tooth development and eruption. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K00.0 Anodontia, K00.1 Supernumerary teeth, K00.2 Abnormalities of size and form of teeth, K00.3 Mottled teeth and 6 more. Its coding notes include 9 Excludes2 entries.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
This code
- embedded and impacted teeth (K01.-)
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
More specific codes under K00 10
- K00.0AnodontiaBillable
- K00.1Supernumerary teethBillable
- K00.2Abnormalities of size and form of teethBillable
- K00.3Mottled teethBillable
- K00.4Disturbances in tooth formationBillable
- K00.5Hereditary disturbances in tooth structure, not elsewhere classifiedBillable
- K00.6Disturbances in tooth eruptionBillable
- K00.7Teething syndromeBillable
- K00.8Other disorders of tooth developmentBillable
- K00.9Disorder of tooth development, unspecifiedBillable