S3900 – Surface electromyography (emg)

HCPCS Level II code · S codes: Temporary National Codes (Non-Medicare)

Active code Not payable by Medicare

HCPCS codeS3900
Long description
Surface electromyography (emg)
Short description
Surface emg
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
I Not payable by Medicare
BETOS category
Z2 Undefined codes
Added
July 1, 2001
Last change
July 1, 2001 – No change

Frequently asked questions

What is HCPCS code S3900?

S3900 is a HCPCS Level II code for surface electromyography (emg).

Does Medicare cover S3900?

The HCPCS file lists coverage code I: Not payable by Medicare. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby S codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.