C9055 – Injection, brexanolone, 1mg
HCPCS Level II code · C codes: Outpatient PPS (Hospital Outpatient)
HCPCS codeC9055
- Long description
- Injection, brexanolone, 1mg
- Short description
- Inj, brexanolone
- Pricing indicator
53Statute- Medicare coverage
DSpecial coverage instructions apply- BETOS category
O1EOther drugs- Cross reference
- J1632
- Added
- January 1, 2020
- Last change
- October 1, 2020 – No change
- Termination date
- September 30, 2020
Frequently asked questions
What is HCPCS code C9055?
C9055 is a HCPCS Level II code for injection, brexanolone, 1mg. It was discontinued on September 30, 2020.
Does Medicare cover C9055?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
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Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.