ICD-10-CM 2027 diagnosis code

K00Disorders of tooth development and eruption

Not billable — use a more specific code

K00 is a header code, so it can't be reported by itself. Choose one of the 10 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About K00

K00 is the ICD-10-CM diagnosis code for disorders of tooth development and eruption. It belongs to block K00-K14 (diseases of oral cavity and salivary glands) and chapter 11 (diseases of the digestive system). It is a header code, so it can't be reported by itself; one of its 10 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: K00.0 (Anodontia), K00.1 (teeth), K00.2 (teeth), K00.3 (teeth), K00.4 (formation), K00.5 (classified), K00.6 (eruption), K00.7 (syndrome) and 2 more.

The conditions in its Excludes2 note aren't part of K00, but may be coded alongside it if the patient has both: embedded and impacted teeth (K01.-).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under K00

Coding notes

Excludes2Not included here — may be reported together if both conditions exist

embedded and impacted teeth (K01.-)

Notes that apply from higher levels

Instructions written at a parent level also apply to K00.

Broader instructions also apply from Chapter 11: Diseases of the digestive system.

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about K00

Is K00 billable?: No. K00 is a header code. Report one of its more specific subcodes instead.