KM HCPCS Level II modifier: Replacement of facial prosthesis including new impression/moulage

KM is a HCPCS Level II modifier: “Replacement of facial prosthesis including new impression/moulage.” It adds this detail to the code it is reported with.

Official description

KM

Replacement of facial prosthesis including new impression/moulage

Short description: Rplc facial prosth new imp

HCPCS · United States

Medicare details

The indicators CMS publishes with KM in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Added
Jan 1, 1996

Where KM sits

  1. 1GroupHCPCS modifiers
  2. 2Modifier KMReplacement of facial prosthesis including new impression/moulage

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 KM mean?

KM is the HCPCS code for “Replacement of facial prosthesis including new impression/moulage” in CMS’s HCPCS Level II October 2026 release.

Where is KM in the HCPCS Level II list?

KM is listed under Modifiers.

Does Medicare cover KM?

CMS lists KM’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.