C9311 – Injection, eplontersen, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)

HCPCS Level II code · C codes: Outpatient PPS (Hospital Outpatient)

Active code Special coverage instructions apply

HCPCS codeC9311
Long description
Injection, eplontersen, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered)
Short description
Inj, eplontersen, 1 mg
Pricing indicator
53 Statute
Medicare coverage
D Special coverage instructions apply
BETOS category
O1E Other drugs
ASC
Approved for ambulatory surgical centers
Added
October 1, 2026
Last change
October 1, 2026 – Added

Frequently asked questions

What is HCPCS code C9311?

C9311 is a HCPCS Level II code for injection, eplontersen, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered).

Does Medicare cover C9311?

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.

Nearby C codes

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