Myositis ossificans progressiva, thigh
ICD-10 M61.15 is a billable code used to indicate a diagnosis of myositis ossificans progressiva, thigh.
Myositis ossificans progressiva (MOP) is a rare genetic disorder characterized by the abnormal formation of bone in muscles, tendons, and other connective tissues. This condition is caused by mutations in the ACVR1 gene, leading to dysregulation of bone morphogenetic proteins (BMPs) that promote ossification. In the thigh, patients may experience progressive muscle weakness, stiffness, and pain due to the formation of heterotopic ossification, which can severely limit mobility and function. The onset of symptoms typically occurs in early childhood, with episodes of soft tissue swelling and inflammation preceding the ossification. Diagnosis is primarily clinical, supported by imaging studies such as X-rays or MRI, which reveal calcifications in the affected muscles. Management focuses on symptomatic relief, physical therapy, and avoiding trauma, as injuries can exacerbate ossification. Surgical intervention is generally avoided due to the risk of further ossification. Understanding the complexities of MOP is crucial for accurate coding and effective patient management.
Detailed clinical history, genetic testing results, imaging studies, and treatment plans.
Patients presenting with unexplained muscle pain and swelling, particularly in the thigh region.
Rheumatologists should be aware of the genetic implications and the need for multidisciplinary management.
Surgical history, imaging results, and functional assessments.
Patients with progressive stiffness and limited range of motion in the thigh due to ossification.
Orthopedic surgeons should avoid surgical interventions that may trigger further ossification.
Used for assessing functional limitations in patients with MOP.
Detailed evaluation of muscle strength, range of motion, and functional capabilities.
Physical therapists should document the impact of MOP on daily activities.
Myositis ossificans progressiva is a rare genetic disorder characterized by the abnormal formation of bone in muscles and connective tissues, leading to progressive stiffness and weakness.
Diagnosis is based on clinical evaluation, imaging studies showing ossification, and genetic testing for ACVR1 mutations.
Treatment focuses on symptom management, physical therapy, and avoiding trauma. Surgical options are generally avoided due to the risk of exacerbating the condition.
