ICD-10-CM 2027
ICD-10 code for Hyphema
From the official ICD-10-CM alphabetic index entry “Hyphema”. Page updated September 29, 2026.
About coding Hyphema
The ICD-10-CM code for Hyphema is H21.0 (Hyphema). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on H21.0.
Within H21 (other disorders of iris and ciliary body), H21.0 is specifically for Hyphema. Related codes cover other vascular disorders of iris and ciliary body (H21.1), degeneration of iris and ciliary body (H21.2), cyst of iris, ciliary body and anterior chamber (H21.3), pupillary membranes (H21.4), other and unspecified adhesions and disruptions of iris and ciliary body (H21.5), other specified disorders of iris and ciliary body (H21.8) and unspecified disorder of iris and ciliary body (H21.9).
To report this condition, pick the subcode that matches the documentation: H21.00 (unspecified eye), H21.01 (right eye), H21.02 (left eye) and H21.03 (bilateral).
Don't report H21.0 together with the conditions in its Excludes1 note: traumatic hyphema (S05.1-).
More specific Hyphema codes (official index)
- traumatic S05.1 — Contusion of eyeball and orbital tissues
Don't confuse with (Excludes1 for H21.0)
- traumatic hyphema (S05.1-)
Common questions about Hyphema ICD-10 codes
What is the ICD-10 code for Hyphema?
- H21.0 — Hyphema (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: S05.1.
What is the ICD-10 code for traumatic hyphema?
- S05.1 — Contusion of eyeball and orbital tissues (header code; choose a more specific subcode).
Is H21.0 billable?
- No. H21.0 is a header code. Report one of its more specific subcodes instead.