ICD - 9 354.0 OMIM 115430 DiseasesDB 2156 MedlinePlus 000433 eMedicine orthoped/455 pmr/21 emerg/83 radio/135 MeSH D002349 Carpal tunnel syndrome ( CTS ) is an entrapment median neuropathy , causing paresthesia , pain , numbness, and other symptoms in the distribution of the median nerve due to its compression at the