K00.9

Billable

ChapterK00–K95

Ranksubcategory

Official Description

Disorder of tooth development, unspecified

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 11: Diseases of the Digestive System (K00-K95).

Instructional Notes

Includes

Disorder of odontogenesis NOS

General instructions are available for the parent sections:

View CH11 Notes View K00 Notes

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)

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

K00Disorders of tooth development and eruption

K00.9Disorder of tooth development, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K00.9:

categoryK00

Disorders of tooth development and eruption

View context instructions

chapterCH11

Diseases of the digestive system (K00-K95)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K00.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths

Anomaly, anomalous (congenital) (unspecified type)1 unique routes

tooth, teeth→K00.9

Disorder (of)2 unique routes

odontogenesis NOS→K00.9

tooth

development→K00.9

Malformation (congenital)1 unique routes

teeth, tooth→K00.9

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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