K00.1
Supernumerary teeth
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 10 never code together
K00-K95chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 5
K00.1code
Inclusion terms
- Distomolar
- Fourth molar
- Mesiodens
- Paramolar
- Supplementary teeth
Index entries leading here 8
Alongside this code 9 same parent — K00
K00.0 Anodontia 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, NEC K00.6 Disturbances in tooth eruption K00.7 Teething syndrome K00.8 Other disorders of tooth development K00.9 Disorder of tooth development, unspecified
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.