M27.0 Developmental disorders of jaws

Billable ICD-10-CM code, FY2026.

Applicable to

• Latent bone cyst of jaw
• Stafne's cyst
• Torus mandibularis
• Torus palatinus

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 526.9 Unspecified disease of the jaws (approximate)

Code annotations containing back-references to M27.0

Back-references to M27.0

• Type 2 Excludes: K09 Cysts of oral region, not elsewhere classified ("cysts of jaw (M27.0-, M27.4-)")
• Type 1 Excludes: M27.4 Other and unspecified cysts of jaw ("latent bone cyst of jaw (M27.0)")
• Type 1 Excludes: M27.4 Other and unspecified cysts of jaw ("Stafne's cyst (M27.0)")

Back-references to M27

• Type 2 Excludes: K08 Other disorders of teeth and supporting structures ("disorders of jaw (M27.-)")

Diagnosis Index entries for M27.0

• Cyst (colloid) (mucous) (simple) (retention) › bone (local) NEC › specified type NEC › jaw › latent
• Cyst (colloid) (mucous) (simple) (retention) › Stafne's
• Disorder (of) › jaw, developmental
• Stafne's cyst or cavity
• Torus (mandibularis) (palatinus)

Nearby codes

• M27 Other diseases of jaws
• M27.0 Developmental disorders of jaws (this code)
• M27.1 Giant cell granuloma, central
• M27.2 Inflammatory conditions of jaws
• M27.3 Alveolitis of jaws
• M27.4 Other and unspecified cysts of jaw
• M27.40 Unspecified cyst of jaw