PS HCPCS Level II modifier: Positron emission tomography (pet) or pet/computed tomography (ct) to inform the subsequent treatment strategy of cancerous tumors when the beneficiary's…
PS is a HCPCS Level II modifier: “Positron emission tomography (pet) or pet/computed tomography (ct) to inform the subsequent treatment strategy of cancerous tumors when the beneficiary's treating physician determines that the pet….” It adds this detail to the code it is reported with.
Official description
PSPositron emission tomography (pet) or pet/computed tomography (ct) to inform the subsequent treatment strategy of cancerous tumors when the beneficiary's treating physician determines that the pet study is needed to inform subsequent anti-tumor strategy
Short description: Pet tumor subsq tx strategy
HCPCS · United States
Medicare details
The indicators CMS publishes with PS in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jul 1, 2009
Where PS sits
- 1GroupHCPCS modifiers
- 2Modifier PSPositron emission tomography (pet) or pet/computed tomography (ct) to inform the subsequent treatment strategy of cancerous tumors when the beneficiary's treating physician determines that the pet study is needed to inform subsequent anti-tumor strategy
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 PS mean?
PS is the HCPCS code for “Positron emission tomography (pet) or pet/computed tomography (ct) to inform the subsequent treatment strategy of cancerous tumors when the beneficiary's treating physician determines that the pet study is needed to inform subsequent anti-tumor strategy” in CMS’s HCPCS Level II October 2026 release.
Where is PS in the HCPCS Level II list?
PS is listed under Modifiers.
Does Medicare cover PS?
CMS lists PS’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 PS
All modifiersPDDiagnostic or related non diagnostic item or service provided in a wholly owned or operated entity to a patient who is admitted as an inpatient within 3 daysPIPositron emission tomography (pet) or pet/computed tomography (ct) to inform the initial treatment strategy of tumors that are biopsy proven or strongly suspected of being…PLProgressive addition lensesPMPost mortemPNNon-excepted service provided at an off-campus, outpatient, provider-based department of a hospitalPOExcepted service provided at an off-campus, outpatient, provider-based department of a hospitalPTColorectal cancer screening test; converted to diagnostic test or other procedureQ0Investigational clinical service provided in a clinical research study that is in an approved clinical research studyQ1Routine clinical service provided in a clinical research study that is in an approved clinical research studyQ2Demonstration procedure/serviceQ3Live kidney donor surgery and related servicesQ4Service for ordering/referring physician qualifies as a service exemption