Q87.4
⚠ Non-billable
Marfan syndrome
ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities
Code
Q87.4
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Congenital Malformations, Deformations and Chromosomal Abnormalities
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Q87.4?
ICD-10-CM code Q87.4 represents Marfan syndrome. It is a non-billable header code requiring a more specific subcategory in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.
Is Q87.4 billable?
No. Q87.4 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Q87.4 in?
Q87.4 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.
Related codes in the Q87 category
Q87
Other specified congenital malformation syndromes affecting multiple systems
Non-billable
Q87.0
Congenital malformation syndromes predominantly affecting facial appearance
Billable
Q87.1
Congenital malformation syndromes predominantly associated with short stature
Non-billable
Q87.2
Congenital malformation syndromes predominantly involving limbs
Billable
Q87.3
Congenital malformation syndromes involving early overgrowth
Billable
Q87.5
Other congenital malformation syndromes with other skeletal changes
Billable
Q87.8
Other specified congenital malformation syndromes, not elsewhere classified
Non-billable
Q87.11
Prader-Willi syndrome
Billable
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