S9988 Services provided as part of a phase i clinical trial

Short descriptor: Serv part of phase i trial

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S9988 is the HCPCS Level II code for Services provided as part of a phase i clinical trial (2026). It belongs to Section S — Temporary National Codes (Non-Medicare). Under Medicare, its coverage status is: Not payable by Medicare. Part B pricing methodology: Not separately priced by Part B.

Classification & CMS Attributes

Medicare Coverage
Not payable by Medicare (code I)
Part B Pricing
Not separately priced by Part B (indicator 00)
Type of Service
Other medical items or services
Effective Date
2004-04-01
2026 Maintenance
No change this year

References

Cite This Page

Reference S9988 with the canonical source and edition:

S9988 — Services provided as part of a phase i clinical trial. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/S9988

Canonical URL: https://icd10codingpro.com/hcpcs-codes/S9988

Related Codes in Section S

← S9986 Not medically necessary svc S9989 → Services outside us
S9977 Meals per diem S9981 Med record copy admin S9982 Med record copy per page S9986 Not medically necessary svc S9989 Services outside us S9990 Services provided as part of S9991 Services provided as part of S9992 Transportation costs to and S9994 Lodging costs (e.g. hotel ch S9996 Meals for clinical trial par
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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