K03.3 Pathological resorption of teeth

Billable ICD-10-CM code, FY2026.

Applicable to

• Internal granuloma of pulp
• Resorption of teeth (external)

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)

• 521.40 Pathological resorption, unspecified (approximate)
• 521.41 Pathological resorption, internal (approximate)
• 521.42 Pathological resorption, external (approximate)

Diagnosis Index entries for K03.3

• Granuloma › pulp, internal (tooth)
• Pathologic, pathological › resorption, tooth
• Resorption › dental (roots)
• Resorption › teeth (external) (internal) (pathological) (roots)

Nearby codes

• K03 Other diseases of hard tissues of teeth
• K03.0 Excessive attrition of teeth
• K03.1 Abrasion of teeth
• K03.2 Erosion of teeth
• K03.3 Pathological resorption of teeth (this code)
• K03.4 Hypercementosis
• K03.5 Ankylosis of teeth
• K03.6 Deposits [accretions] on teeth
• K03.7 Posteruptive color changes of dental hard tissues
• K03.8 Other specified diseases of hard tissues of teeth