M1066 HCPCS Level II code: Shingrix vaccine not documented as administered, reason not given

CMS terminated M1066: its last date of service was Dec 31, 2020. It stays here for looking up older claims; newer services need a current code.

Official description

M1066

Shingrix vaccine not documented as administered, reason not given

Short description: Shing vac no doc no rsn

HCPCS · United States

Medicare details

The indicators CMS publishes with M1066 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Medicare pricing
Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
Type of service
Medical care
BETOS category
Undefined codes
Added
Jan 1, 2019
Terminated after
Dec 31, 2020

Where M1066 sits

  1. 1M codesMedical services and quality measures
  2. 2Terminated M1066Shingrix vaccine not documented as administered, reason not given

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 M1066 still valid?

No. CMS terminated M1066; its last date of service was Dec 31, 2020. It is listed for looking up services from before then. Use a current code for newer services.

Does Medicare cover M1066?

CMS lists M1066’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. 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.