ICD-10-CM 2027
ICD-10 code for Exostosis
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Exostosis”. Page updated September 29, 2026.
About coding Exostosis
The official ICD-10-CM index doesn't give a single default code for exostosis; the code depends on the details below.
More specific Exostosis codes (official index)
- cartilaginous
- congenital (multiple) Q78.6 — Multiple congenital exostoses
- external ear canal H61.81 — Exostosis of external canal
- gonococcal A54.49 — Gonococcal infection of other musculoskeletal tissue
- jaw (bone) M27.8 — Other specified diseases of jaws
- multiple, congenital Q78.6 — Multiple congenital exostoses
- orbit H05.35 — Exostosis of orbit
- osteocartilaginous
- syphilitic A52.77 — Syphilis of bone and joint
Common questions about Exostosis ICD-10 codes
What is the ICD-10 code for congenital exostosis?
- Q78.6 — Multiple congenital exostoses.
What is the ICD-10 code for external ear canal exostosis?
- H61.81 — Exostosis of external canal (header code; choose a more specific subcode).
What is the ICD-10 code for gonococcal exostosis?
- A54.49 — Gonococcal infection of other musculoskeletal tissue.
What is the ICD-10 code for jaw exostosis?
- M27.8 — Other specified diseases of jaws.
What is the ICD-10 code for orbit exostosis?
- H05.35 — Exostosis of orbit (header code; choose a more specific subcode).
What is the ICD-10 code for syphilitic exostosis?
- A52.77 — Syphilis of bone and joint.