ICD-10-CM 2027
ICD-10 code for Dilaceration
From the official ICD-10-CM alphabetic index entry “Dilaceration, tooth”. Page updated September 29, 2026.
About coding Dilaceration
The ICD-10-CM code for Dilaceration is K00.4 (Disturbances in tooth formation).
Within K00 (disorders of tooth development and eruption), K00.4 is specifically for disturbances in tooth formation. Related codes cover Anodontia (K00.0), Supernumerary teeth (K00.1), abnormalities of size and form of teeth (K00.2), Mottled teeth (K00.3), hereditary disturbances in tooth structure, not elsewhere classified (K00.5), disturbances in tooth eruption (K00.6), Teething syndrome (K00.7), other disorders of tooth development (K00.8) and 1 more.
Don't report K00.4 together with the conditions in its Excludes1 note: Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5).
The conditions in its Excludes2 note aren't part of K00.4, but may be coded alongside it if the patient has both: mottled teeth (K00.3).
Don't confuse with (Excludes1 for K00.4)
- Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)
Common questions about Dilaceration ICD-10 codes
What is the ICD-10 code for Dilaceration?
- K00.4 — Disturbances in tooth formation.
Is K00.4 billable?
- Yes. K00.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K00.4 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K00.4 as a principal diagnosis.
Is K00.4 a CC or MCC?
- No. K00.4 is neither a CC nor an MCC under MS-DRG v44.0.