ICD-10-CM 2027
ICD-10 code for Cracked tooth
From the official ICD-10-CM alphabetic index entry “Cracked tooth”. Page updated September 29, 2026.
About coding Cracked tooth
The ICD-10-CM code for Cracked tooth is K03.81 (Cracked tooth).
Within K03.8 (other specified diseases of hard tissues of teeth), K03.81 is specifically for Cracked tooth. Related codes cover other specified diseases of hard tissues of teeth (K03.89).
Don't report K03.81 together with the conditions in its Excludes1 note: asymptomatic craze lines in enamel - omit code and broken or fractured tooth due to trauma (S02.5).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for K03.81)
- asymptomatic craze lines in enamel - omit code
- broken or fractured tooth due to trauma (S02.5)
Common questions about Cracked tooth ICD-10 codes
What is the ICD-10 code for Cracked tooth?
- K03.81 — Cracked tooth.
Is K03.81 billable?
- Yes. K03.81 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K03.81 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K03.81 as a principal diagnosis.
Is K03.81 a CC or MCC?
- No. K03.81 is neither a CC nor an MCC under MS-DRG v44.0.