G56: Mononeuropathies of upper limb
G56.0: Carpal tunnel syndrome
Your carpal tunnel is too narrow. The carpal tunnel is a tunnel-like passageway in the wrist. It is made up of bone and ligaments.
The carpal tunnel is in the wrist on the side where the palm of the hand is. The tendons of some finger muscles and a nerve run through the carpal tunnel. These nerves enable us to move our thumb and flex our fingers. The nerve is also responsible for sensation in the thumb, the index finger and the middle finger.
The carpal tunnel in your wrist has narrowed. As a result, the nerve is being compressed in the carpal tunnel. This can cause, for example, pain, tingling or numbness in one’s hand. The symptoms often occur at night. It may also no longer be possible to move the fingers as well as normal.
Patient Disclaimer
The information provided on this page is for general educational purposes only. It is not intended for self-diagnosis and does not replace professional medical advice. Always consult your doctor or a qualified healthcare provider with any questions or concerns about your health.
If you see an ICD diagnosis code (e.g., on a medical report), be aware that doctors may also include additional indicators to express diagnostic certainty. Only a healthcare professional can interpret these codes accurately in the context of your individual case.
For a complete understanding of your condition and what the diagnosis means for you, please speak directly with your doctor.