Coverage of Conditions and Treatments (Coverage Decisions)

Use this lookup tool to determine coverage decisions, or if prior authorization is needed for the treatment or condition. Note: For Self-insured employer claims, you must contact the employer or their claims administrator.

List also available in PDF format.

Archived Coverage Decisions.

See Treatment Guidelines and Resources for additional information.

Occupational Health Best Practices and L&I header

L&I covers MedX when used to strengthen extensor muscles for the treatment of low back pain. MedX is also covered when used in diagnosing patient strength and ROM. Proper documentation and billing codes should be submitted when requesting MedX.

The MedX lumbar extension machine is intended to address low back pain by developing spinal muscle strength through a stabilization system that isolates specific muscle groups. Published evidence suggests that MedX may help to increase lumbar muscle strength. However, studies do not clearly show MedX's efficacy over other exercise programs.

The MedX may be used as a diagnostic tool to measure voluntary isometric torque of the lumbar extensor muscles at seven positions through a 72° ROM. One study also shows that MedX measurements are correlated to measurements from liquid inclinometers.

MedX Lumbar Extension Machine technology assessment (145 KB PDF).