ZB HCPCS Level II modifier: Pfizer/hospira
CMS terminated ZB: its last date of service was Mar 31, 2018. It stays here for looking up older claims; newer services need a current code.
Official description
ZBPfizer/hospira
HCPCS · United States
Medicare details
The indicators CMS publishes with ZB in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jul 1, 2016
- Terminated after
- Mar 31, 2018
Where ZB sits
- 1GroupHCPCS modifiers
- 2Terminated ZBPfizer/hospira
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
Is HCPCS code ZB still valid?
No. CMS terminated ZB; its last date of service was Mar 31, 2018. It is listed for looking up services from before then. Use a current code for newer services.
Where is ZB in the HCPCS Level II list?
ZB is listed under Modifiers.
Does Medicare cover ZB?
CMS lists ZB’s Medicare coverage as “Carrier judgment”. 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 ZB
All modifiersX5Diagnostic services requested by another clinician: for reporting services by a clinician who furnishes care to the patient only as requested by another clinician or subsequent…XESeparate encounter, a service that is distinct because it occurred during a separate encounterXPSeparate practitioner, a service that is distinct because it was performed by a different practitionerXSSeparate structure, a service that is distinct because it was performed on a separate organ/structureXUUnusual non-overlapping service, the use of a service that is distinct because it does not overlap usual components of the main serviceZANovartis/sandozZCMerck/samsung bioepis