Find policies, billing codes, payers, states, and providers
CPT 29848: Endoscopic Carpal Tunnel Release
CPT code 29848 represents an endoscopic carpal tunnel release: a minimally invasive procedure that divides the transverse carpal ligament to decompress the median nerve and treat carpal tunnel syndrome. Nationally, this procedure is significant because it is a commonly performed hand surgery with implications for surgical access, outpatient operative capacity, and post-operative functional outcomes. Payers frequently apply specific coverage and prior authorization rules to ensure clinical indications are met before authorization.
Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical service represented by the code, typical sites of service and settings, common associated diagnoses for billing, and related procedural codes used in the same clinical context. The publication also summarizes expected claim line considerations, common modifiers encountered on claims, and related surgical and non-surgical codes used for carpal tunnel management.
This overview is intended to inform billing, coding, and policy stakeholders about the clinical and administrative context of CPT code 29848, helping organizations align coding practices with payer expectations and streamline submission workflows.
Customize your policy alerts
Sign up for cpt 29848 policy alerts
Get alerted when payer policies referencing 29848 are released or updated.
Monitor payer policy activity
Billing Code Overview
CPT code 29848 describes an endoscopic surgical procedure of the wrist in which an endoscope is inserted into the wrist joint to divide the transverse carpal ligament and relieve compression of the median nerve within the carpal tunnel. The procedure is performed to reduce pain, numbness, and functional impairment caused by carpal tunnel syndrome.
Service Type: Endoscopic carpal tunnel release
Typical Site of Service: Ambulatory surgical center or hospital operating room
National Reimbursement Benchmarks
Medicare’s mean allowed amount of $497 is substantially lower than BUCA’s mean commercial benchmark of $2,050.70, illustrating a large gap between government and average commercial reimbursement for CPT 29848. This difference highlights that commercial payers on average reimburse roughly four times Medicare’s mean for this code, with BUCA sitting near the upper end of commercial averages.
Dispersion measured as the interquartile range (P75–P25) varies meaningfully by payer. Blue Cross Blue Shield shows one of the widest IQRs at $2,347.80, while Aetna’s IQR is relatively tight at $551.50. UnitedHealth Group and Cigna exhibit moderate spreads of $506.20 and $498.40, respectively, and BUCA’s IQR is $1,583.80. These gaps indicate that payment variability across commercial carriers is substantial, with Blue Cross Blue Shield and BUCA among the most variable and Aetna the tightest.