H21.4
Non-billablePupillary membranes
H21.4 is the ICD-10-CM code for Pupillary membranes. It is a non-billable category code — use a more specific child code such as H21.40 for billing.
H00-H59 Diseases of the eye and adnexa
Includes
- •Iris bombé
- •Pupillary occlusion
- •Pupillary seclusion
Excludes1 — not coded here
- •congenital pupillary membranes (Q13.8)
Frequently asked questions
- What is ICD-10 code H21.4?
- H21.4 is the ICD-10-CM code for "Pupillary membranes". It falls under H00-H59 Diseases of the eye and adnexa.
- Is H21.4 a billable code?
- No — H21.4 is a non-billable header code. Use a more specific child code (such as H21.40) for billing.
- What are the subcodes of H21.4?
- H21.4 has 4 more specific child codes, including H21.40, H21.41, H21.42.
- What is excluded from H21.4?
- Excludes1 (not coded here): congenital pupillary membranes (Q13.8).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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