Treatment of Temporomandibular Joint Disorders (for Idaho Only)
UnitedHealthcare Community Plan of Idaho revised its Medicaid medical policy on treatment of temporomandibular joint (TMJ) disorders, effective 2026-12-01. TMJ arthroplasty is now the only TMJ surgical service described as proven and medically necessary in certain circumstances, with medical necessity criteria pointing to InterQual CP: Procedures, Arthroplasty, Temporomandibular Joint (TMJ) (Custom) - UHG; arthroscopy and discectomy criteria were removed. CPT codes 21060, 21247, 29800, and 29804 were removed from the applicable codes list.