ICD-9-CM 300.81 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 300.81 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Pattern of recurring polysymptomatic somatic complaints resulting in medical treatment or impaired daily function. Usually begins before age 30 and extends over a period of years