ICD-10-CM 2027
ICD-10 code for teeth resorption
From the official ICD-10-CM alphabetic index entry “Resorption › teeth (external) (internal) (pathological) (roots)”. Page updated September 29, 2026.
About coding teeth resorption
The ICD-10-CM code for teeth resorption is K03.3 (Pathological resorption of teeth).
Within K03 (other diseases of hard tissues of teeth), K03.3 is specifically for pathological resorption of teeth. Related codes cover excessive attrition of teeth (K03.0), abrasion of teeth (K03.1), erosion of teeth (K03.2), Hypercementosis (K03.4), ankylosis of teeth (K03.5), deposits [accretions] on teeth (K03.6), posteruptive color changes of dental hard tissues (K03.7), other specified diseases of hard tissues of teeth (K03.8) and 1 more.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 011 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC, relative weight 5.6154), DRG 012 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC, relative weight 4.381), DRG 013 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC, relative weight 2.7307), DRG 157 (Dental and Oral Diseases with MCC, relative weight 1.809), DRG 158 (Dental and Oral Diseases with CC, relative weight 0.9366) and DRG 159 (Dental and Oral Diseases without CC/MCC, relative weight 0.6893), in Pre-MDC and MDC 03 (Diseases and Disorders of the Ear, Nose, Mouth and Throat), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about teeth resorption ICD-10 codes
What is the ICD-10 code for teeth resorption?
- K03.3 — Pathological resorption of teeth.
Is K03.3 billable?
- Yes. K03.3 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can K03.3 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict K03.3 as a principal diagnosis.
Is K03.3 a CC or MCC?
- No. K03.3 is neither a CC nor an MCC under MS-DRG v44.0.