Trigger Point Injection (TPI)
Definition
An injection of local anesthetic or corticosteroid into myofascial trigger points — painful knots in muscle tissue — to relieve muscle pain and spasm. TPIs are commonly used in workers' compensation for cervical and lumbar myofascial pain syndrome and are subject to MTUS treatment guidelines.
Related Terms
Frequently Asked Questions
What is a Trigger Point Injection (TPI)?
An injection of local anesthetic or corticosteroid into myofascial trigger points — painful knots in muscle tissue — to relieve muscle pain and spasm. TPIs are commonly used in workers' compensation for cervical and lumbar myofascial pain syndrome and are subject to MTUS treatment guidelines.
Is trigger point injection covered under workers' compensation in California?
Trigger Point Injection may be authorized as part of a workers' compensation treatment plan in California, subject to utilization review (UR) and the Medical Treatment Utilization Schedule (MTUS). The primary treating physician must request authorization through the appropriate channels.