What this is, in plain language
Surgery that cuts the tight band over the median nerve in your wrist to relieve numbness, tingling, and weakness in the hand.
Why a clinician orders it
Carpal tunnel syndrome that hasn't improved with splinting or steroid injections, especially with nerve damage on testing.
Medical necessity — what insurers usually look at
Insurers commonly require a nerve conduction study confirming the diagnosis and documented failure of conservative treatment before approving surgery.
New to this? Read what medical necessity means and how to appeal a denial.
Documentation to ask about
- ✓Nerve conduction study results
- ✓Conservative treatments tried (splinting, injections)
- ✓Prior auth approval in writing
Questions for your provider
- ?Does my plan require a nerve conduction study first?
- ?Has prior auth been approved in writing?
Why this code is in our seed set
One of the most common hand surgeries nationally; in the CMS Top 200 Ranked by Services.
Validated against
- •CMS Top 200 Level I CPT Codes Ranked by Services
- •AAOS Clinical Practice Guideline on Carpal Tunnel Syndrome
- •AMA CPT code 64721 descriptor
Terms you'll see
Some services may need plan approval before they are performed.
Lower-risk care that insurers may want documented before a bigger procedure.
The insurer is reviewing whether the service is clinically appropriate for your situation.