S0145: Injection, pegylated interferon alfa-2a, 180 mcg per ml
S0145 is a HCPCS Level II code for injection, pegylated interferon alfa-2a, 180 mcg per ml. It belongs to the Temporary National Codes (Non-Medicare) section. Medicare does not pay it: see the coverage note below before you bill it.
Medicare coverage: Not payable by Medicare
Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q4-Oct. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusI
Not valid for Medicare purposes. Medicare uses another code.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for S0145
- Long descriptor
- Injection, pegylated interferon alfa-2a, 180 mcg per ml
- Short descriptor
- Peg interferon alfa-2a/180
- Added
- July 1, 2005
- BETOS
- Z2
- Pricing indicator
- 00: Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service: CMS's own analytic grouping.
Service not separately priced by Part B, not covered, bundled into another service, or used by Part A only.
Codes adjacent to S0145
HCPCS has no hierarchy: related items simply sit next to each other in the numbering. If S0145 is not quite right, the correct code is very often within a few positions of it.
- S0132Injection, ganirelix acetate, 250 mcg
- S0136Clozapine, 25 mg
- S0137Didanosine (ddi), 25 mg
- S0138Finasteride, 5 mg
- S0139Minoxidil, 10 mg
- S0140Saquinavir, 200 mg
- S0142Colistimethate sodium, inhalation solution administered through dme, concentrated form, per mg
- S0144Injection, propofol, 10 mgterminated
- S0148Injection, pegylated interferon alfa-2b, 10 mcg
- S0155Sterile dilutant for epoprostenol, 50 ml
- S0156Exemestane, 25 mg
- S0157Becaplermin gel 0.01%, 0.5 gm
- S0160Dextroamphetamine sulfate, 5 mg
- S0164Injection, pantoprazole sodium, 40 mgterminated
- S0166Injection, olanzapine, 2.5 mgterminated
- S0169Calcitrol, oral, 0.25 microgram