M27.8

Applicable To

• Cherubism

• Exostosis

• Fibrous dysplasia

• Unilateral condylar hyperplasia

• Unilateral condylar hypoplasia

Approximate Synonyms

• Exostosis of jaw

• Familial fibrosis dysplasia of the jaw

• Fibrous dysplasia of jaw

• Fistula of hard palate

• Hard palate fistula

• Jaw disorder, maxillary tori

• Torus maxillaris

Clinical Information

• A disorder characterized by non-neoplastic overgrowth of bone.

• A fibro-osseous hereditary disease of the jaws. The swollen jaws and raised eyes give a cherubic appearance; multiple radiolucencies are evident upon radiographic examination.

• A rare disorder usually caused by mutations in the sh3bp2 gene. It is characterized by prominence of the lower part of the face due to bilateral replacement of the mandible or maxilla bones by excessive fibrous tissue.

• Benign hypertrophy that projects outward from the surface of bone, often containing a cartilaginous component.

• Non-neoplastic overgrowth of bone.

Details

• M27.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM M27.8 became effective on October 1, 2022.

• This is the American ICD-10-CM version of M27.8 – other international versions of ICD-10 M27.8 may differ.