1. ICD-10-CM Codes
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2. G00-G99
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3. G50-G59
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4. G56-
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5. 2023 ICD-10-CM Diagnosis Code G56.00

2023 ICD-10-CM Diagnosis Code G56.00

Carpal tunnel syndrome, unspecified upper limb

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• G56.00 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM G56.00 became effective on October 1, 2022.
• This is the American ICD-10-CM version of G56.00 - other international versions of ICD-10 G56.00 may differ.

• Carpal tunnel syndrome
• Median nerve entrapment

• Entrapment of the median nerve in the carpal tunnel, which is formed by the flexor retinaculum and the carpal bones. This syndrome may be associated with repetitive occupational trauma (cumulative trauma disorders); wrist injuries; amyloid neuropathies; rheumatoid arthritis (see arthritis, rheumatoid); acromegaly; pregnancy; and other conditions. Symptoms include burning pain and paresthesias involving the ventral surface of the hand and fingers which may radiate proximally. Impairment of sensation in the distribution of the median nerve and thenar muscle atrophy may occur. (Joynt, Clinical Neurology, 1995, ch51, p45)
• Entrapment of the median nerve in the carpal tunnel, which is formed by the flexor retinaculum and the carpal bones; this syndrome may be associated with repetitive occupational trauma, wrist injuries, amyloid neuropathies, rheumatoid arthritis, acromegaly, pregnancy, and other conditions; symptoms include burning pain and paresthesias involving the ventral surface of the hand and fingers which may radiate proximally; impairment of sensation in the distribution of the median nerve and thenar muscle atrophy may occur.
• You're working at your desk, trying to ignore the tingling or numbness you've had for some time in your hand and wrist. Suddenly, a sharp, piercing pain shoots through the wrist and up your arm. Just a passing cramp? more likely you have carpal tunnel syndrome. The carpal tunnel is a narrow passageway of ligament and bones at the base of your hand. It contains nerve and tendons. Sometimes, thickening from irritated tendons or other swelling narrows the tunnel and causes the nerve to be compressed. Symptoms usually start gradually. As they worsen, grasping objects can become difficult. What causes the problem? some people have smaller carpal tunnels than other people do. Other causes include performing assembly line work, wrist injury, or swelling due to certain diseases, such as rheumatoid arthritis. Women are three times more likely to have carpal tunnel syndrome than men. Treatment includes resting your hand, splints, pain and anti-inflammatory medicines, and surgery.

• 073 Cranial and peripheral nerve disorders with mcc
• 074 Cranial and peripheral nerve disorders without mcc

Convert G56.00 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.