Hip Pain and Mobility Deficits—Hip Osteoarthritis: Revision 2025 Episode Benchmarks for Payers

SYNOPSIS: The American Physical Therapy Association (APTA) has sought to quantify the value of physical therapy and justify a course of treatment to third-party payers. Hip osteoarthritis (OA) is one of the most prevalent conditions treated by outpatient physical therapists, with a radiographic prevalence of 19.6% in United States adults over 55 years. This article provides information for the ICD-10 codes identified by the “Hip pain and mobility deficits—hip osteoarthritis: revision 2025: M16.1 Primary coxarthrosis, unilateral; M16.0 Primary coxarthrosis, bilateral; M16.2 Coxarthrosis resulting from dysplasia, bilateral; M16.3 Dysplastic coxarthrosis, unilateral; M16.4 Posttraumatic coxarthrosis, bilateral; M16.5 Posttraumatic coxarthrosis, unilateral; M16.7 Secondary coxarthrosis, not otherwise specified; M25.65 Stiffness in hip; and M25.55 Pain in hip. J Orthop Sports Phys Ther 2026;56(11):748-749. 10.2519/jospt.2026.0503