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ICD-10-CM 2027

ICD-10 code for orbit atrophy

H05.31

Atrophy of orbit

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Atrophy, atrophic (of) › orbit”. Page updated September 29, 2026.

About coding orbit atrophy

The ICD-10-CM code for orbit atrophy is H05.31 (Atrophy of orbit).

Within H05.3 (deformity of orbit), H05.31 is specifically for atrophy of orbit. Related codes cover unspecified deformity of orbit (H05.30), due to bone disease (H05.32), due to trauma or surgery (H05.33), enlargement of orbit (H05.34) and Exostosis of orbit (H05.35).

To report this condition, pick the subcode that matches the documentation: H05.311 (orbit), H05.312 (orbit), H05.313 (orbit) and H05.319 (orbit).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about orbit atrophy ICD-10 codes

What is the ICD-10 code for orbit atrophy?

H05.31 — Atrophy of orbit (a header code; report a more specific subcode).

Is H05.31 billable?

No. H05.31 is a header code. Report one of its more specific subcodes instead.