K03.0 Excessive attrition of teeth

Billable ICD-10-CM code, FY2026.

Applicable to

• Approximal wear of teeth
• Occlusal wear of teeth

Applies from K03 Other diseases of hard tissues of teeth

Excludes2 (not included here)

• bruxism (F45.8)
• dental caries (K02.-)
• teeth-grinding NOS (F45.8)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 521.10 Excessive attrition, unspecified (approximate)

Diagnosis Index entries for K03.0

• Approximal wear
• Attrition › tooth, teeth (excessive) (hard tissues)
• Excess, excessive, excessively › attrition, tooth, teeth
• Occlusal wear, teeth
• Wear, worn (with normal or routine use) › tooth, teeth (approximal) (hard tissues) (interproximal) (occlusal)

Nearby codes

• K03 Other diseases of hard tissues of teeth
• K03.0 Excessive attrition of teeth (this code)
• K03.1 Abrasion of teeth
• K03.2 Erosion of teeth
• K03.3 Pathological resorption of teeth
• K03.4 Hypercementosis
• K03.5 Ankylosis of teeth