ET HCPCS Level II modifier: Emergency services
ET is a HCPCS Level II modifier: “Emergency services.” It adds this detail to the code it is reported with.
Official description
ETEmergency services
HCPCS · United States
Medicare details
The indicators CMS publishes with ET in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jan 1, 1984
Where ET sits
- 1GroupHCPCS modifiers
- 2Modifier ETEmergency services
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 ET mean?
ET is the HCPCS code for “Emergency services” in CMS’s HCPCS Level II October 2026 release.
Where is ET in the HCPCS Level II list?
ET is listed under Modifiers.
Does Medicare cover ET?
CMS lists ET’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 ET
All modifiersEDHematocrit level has exceeded 39% (or hemoglobin level has exceeded 13.0 g/dl) for 3 or more consecutive billing cycles immediately prior to and including the current cycleEEHematocrit level has not exceeded 39% (or hemoglobin level has not exceeded 13.0 g/dl) for 3 or more consecutive billing cycles immediately prior to and including the current cycleEJSubsequent claims for a defined course of therapy, e.g., epo, sodium hyaluronate, infliximabEMEmergency reserve supply (for esrd benefit only)EPService provided as part of medicaid early periodic screening diagnosis and treatment (epsdt) programERItems and services furnished by a provider-based, off-campus emergency departmentEXExpatriate beneficiaryEYNo physician or other licensed health care provider order for this item or serviceF1Left hand, second digitF2Left hand, third digitF3Left hand, fourth digitF4Left hand, fifth digit