ICD-10-CM>Q00-QA1>Q80-Q89>Q87>Q87.4Q87.4Marfan syndromeNon-Billable/Non-SpecificCodesQ87.40Marfan syndrome, unspecifiedQ87.41Marfan syndrome with cardiovascular manifestationsQ87.410Marfan syndrome with aortic dilationQ87.418Marfan syndrome with other cardiovascular manifestationsQ87.42Marfan syndrome with ocular manifestationsQ87.43Marfan syndrome with skeletal manifestation