Q5101 HCPCS Level II code: Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram
Q5101 is the HCPCS code for “Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
Q5101Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram
Short description: Injection, zarxio
HCPCS · United States
Notes for Q5101
As CMS prints them, with any note Q5101 takes from the headings above it.
Note
- CMS processing note 0187: PUB. 100-4, CHAPTER 17.
Medicare details
The indicators CMS publishes with Q5101 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Drugs
- ASC
- Approved for ambulatory surgical centers
- Type of service
- Medical care; Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Other drugs
- Added
- Jul 1, 2015
Where Q5101 sits
- 1Q codesTemporary codes
- 2Active code Q5101Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code Q5101 mean?
Q5101 is the HCPCS code for “Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover Q5101?
CMS lists Q5101’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Drugs”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside Q5101
All Q codesQ5008Hospice care provided in inpatient psychiatric facilityQ5009Hospice or home health care provided in place not otherwise specified (nos)Q5010Hospice home care provided in a hospice facilityQ5098Injection, ustekinumab-srlf (imuldosa), biosimilar, 1 mgQ5099Injection, ustekinumab-stba (steqeyma), biosimilar, 1 mgQ5100Injection, ustekinumab-kfce (yesintek), biosimilar, 1 mgQ5102Injection, infliximab, biosimilar, 10 mgQ5103Injection, infliximab-dyyb, biosimilar, (inflectra), 10 mgQ5104Injection, infliximab-abda, biosimilar, (renflexis), 10 mgQ5105Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for esrd on dialysis), 100 unitsQ5106Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 unitsQ5107Injection, bevacizumab-awwb, biosimilar, (mvasi), 10 mg