ICD-10-CM 2027
ICD-10 code for orbit exostosis
From the official ICD-10-CM alphabetic index entry “Exostosis › orbit”. Page updated September 29, 2026.
About coding orbit exostosis
The ICD-10-CM code for orbit exostosis is H05.35 (Exostosis of orbit).
Within H05.3 (deformity of orbit), H05.35 is specifically for Exostosis of orbit. Related codes cover unspecified deformity of orbit (H05.30), atrophy of orbit (H05.31), due to bone disease (H05.32), due to trauma or surgery (H05.33) and enlargement of orbit (H05.34).
To report this condition, pick the subcode that matches the documentation: H05.351 (orbit), H05.352 (orbit), H05.353 (orbits) and H05.359 (orbit).
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.