KZ HCPCS Level II modifier: New coverage not implemented by managed care
KZ is a HCPCS Level II modifier: “New coverage not implemented by managed care.” It adds this detail to the code it is reported with.
Official description
KZNew coverage not implemented by managed care
Short description: New cov not implement by m+c
HCPCS · United States
Medicare details
The indicators CMS publishes with KZ in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Oct 1, 2003
Where KZ sits
- 1GroupHCPCS modifiers
- 2Modifier KZNew coverage not implemented by managed care
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 KZ mean?
KZ is the HCPCS code for “New coverage not implemented by managed care” in CMS’s HCPCS Level II October 2026 release.
Where is KZ in the HCPCS Level II list?
KZ is listed under Modifiers.
Does Medicare cover KZ?
CMS lists KZ’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 KZ
All modifiersKTBeneficiary resides in a competitive bidding area and travels outside that competitive bidding area and receives a competitive bid itemKUDmepos item subject to dmepos competitive bidding program number 3KVDmepos item subject to dmepos competitive bidding program that is furnished as part of a professional serviceKWDmepos item subject to dmepos competitive bidding program number 4KXRequirements specified in the medical policy have been metKYDmepos item subject to dmepos competitive bidding program number 5L1Provider attestation that the hospital laboratory test(s) is not packaged under the hospital oppsLCLeft circumflex coronary arteryLDLeft anterior descending coronary arteryLLLease/rental (use the 'll' modifier when dme equipment rental is to be applied against the purchase price)LMLeft main coronary arteryLRLaboratory round trip