Q87.4
Non-billableMarfan 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.
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
What this means — in plain language
MedlinePlus · NIHMarfan syndrome is a disorder that affects connective tissue. Connective tissues are proteins that support skin, bones, blood vessels, and other organs. One of these proteins is fibrillin. A problem with the fibrillin gene causes Marfan syndrome. Marfan syndrome can be mild to severe, and the symptoms can vary. People with Marfan syndrome are often very tall, thin, and loose jointed. Most people with Marfan syndrome…
Read more about Marfan Syndrome at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Medications indicated for this condition
FDA labeling- SomatropinRecombinant Human Growth Hormone [EPC]›
- Vosoritide›
- Alpelisib›
- LonafarnibFarnesyltransferase Inhibitor [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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