1. of unknown or obscure origin, especially referring to a disease or medical condition whose cause cannot be determined
Usage: medical

Examples

• The patient was diagnosed with cryptogenic epilepsy since no underlying cause could be found.
• Cryptogenic stroke affects many patients whose brain damage has no identifiable source.
• The doctor explained that her cryptogenic fever meant they couldn’t determine what was causing it.
• Many cases of cryptogenic cirrhosis remain puzzling to medical professionals.
• The cryptogenic nature of the illness made treatment planning difficult.
• Researchers continue studying cryptogenic diseases to uncover their hidden causes.