H21.0
Non-billableHyphema
H21.0 is the ICD-10-CM code for Hyphema. It is a non-billable category code — use a more specific child code such as H21.00 for billing.
H00-H59 Diseases of the eye and adnexa
Excludes1 — not coded here
- •traumatic hyphema (S05.1-)
Frequently asked questions
- What is ICD-10 code H21.0?
- H21.0 is the ICD-10-CM code for "Hyphema". It falls under H00-H59 Diseases of the eye and adnexa.
- Is H21.0 a billable code?
- No — H21.0 is a non-billable header code. Use a more specific child code (such as H21.00) for billing.
- What are the subcodes of H21.0?
- H21.0 has 4 more specific child codes, including H21.00, H21.01, H21.02.
- What is excluded from H21.0?
- Excludes1 (not coded here): traumatic hyphema (S05.1-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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