Trigger finger, right middle finger

This code describes stenosing tenosynovitis affecting the flexor tendon of the right middle finger, commonly known as trigger finger. It is characterized by inflammation and narrowing of the tendon sheath, which impedes smooth gliding of the tendon and causes catching or locking of the digit during flexion and extension.

Apply this code when documentation explicitly identifies trigger finger affecting the patient's right middle finger. This diagnosis is typically supported by physical examination findings such as palpable nodule, tenderness, and characteristic catching or locking during movement of the affected digit.

• Ensure laterality (right) and specific digit (middle finger) are clearly documented.
• Distinguish from other tenosynovitis codes that do not specify "trigger finger" or a different digit.
• Code any associated pain or functional limitations separately if documented and clinically relevant.