Strain of extn musc/fasc/tend at forarm lv, right arm, subs

This code signifies a non-traumatic overstretching or tearing of an extensor muscle, its fascia, or a tendon in the right forearm, excluding the thumb and finger extensors. It indicates that the patient is receiving follow-up care for an injury that has already been initially treated.

Apply this code when a patient presents for ongoing treatment, such as physical therapy, medication management, or re-evaluation, for a previously diagnosed strain of a right forearm extensor muscle, fascia, or tendon. This includes conditions like tennis elbow (lateral epicondylitis) when specifically documented as a strain of the extensor muscles.

• Ensure documentation specifies "right arm" and "subsequent encounter" for accurate code assignment.
• Distinguish from initial encounters (A or D) and sequela (S) codes based on the patient's current stage of care.
• Verify that the strained structure is an "other extensor muscle, fascia, or tendon" and not a specific finger or thumb extensor.