HCPCS Level II · Section S
S9991 Services provided as part of
Full Description
Services provided as part of a phase iii clinical trial
- Code
S9991- Short Description
- Services provided as part of
- Section
- S — Private Payer Codes
- Pricing Indicator
00
Source: CMS HCPCS October 2026 quarterly release.
Last reviewed: September 2026