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Q87.4

Non-billable

Marfan syndrome

Q87.4 is the ICD-10-CM code for Marfan syndrome. It is a non-billable category code — use a more specific child code such as Q87.40 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Parent
Q87
Subcodes
4
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code Q87.4?
Q87.4 is the ICD-10-CM code for "Marfan syndrome". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q87.4 a billable code?
No — Q87.4 is a non-billable header code. Use a more specific child code (such as Q87.40) for billing.
What are the subcodes of Q87.4?
Q87.4 has 4 more specific child codes, including Q87.40, Q87.41, Q87.42.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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