K02.9
Dental caries, unspecified
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 4 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 8 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 6
K02code
Includes
- caries of dentine
- dental cavities
- early childhood caries
- pre-eruptive caries
- recurrent caries (dentino enamel junction) (enamel) (to the pulp)
- tooth decay
Index entries leading here 1
- Caries
- dental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp) K02.9
Alongside this code 4 same parent — K02
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.