K02

Non-Billable

ChapterK00–K95

Rankcategory

Official Description

Dental caries

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here)

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)

Instructional Notes

Includes

caries of dentine
dental cavities
early childhood caries
pre-eruptive caries
recurrent caries (dentino enamel junction) (enamel) (to the pulp)
tooth decay

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)

K00-K14Diseases of oral cavity and salivary glands (K00-K14)

K02Dental caries

K02.3Arrested dental caries

K02.5Dental caries on pit and fissure surface

K02.6Dental caries on smooth surface

K02.7Dental root caries

K02.9Dental caries, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K02:

chapterCH11

Diseases of the digestive system (K00-K95)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K02. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths

Caries25 unique routes

dental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)→K02(22 variants)

arrested (coronal) (root)→K02

chewing surface(3 variants)

limited to enamel→K02

penetrating into dentin→K02

penetrating into pulp→K02

coronal surface(9 variants)

chewing surface(3 variants)

limited to enamel→K02

penetrating into dentin→K02