C9164 HCPCS Level II code: Cantharidin for topical administration, 0.7%, single unit dose applicator (3.2 mg)

CMS terminated C9164: its last date of service was Mar 31, 2024. It stays here for looking up older claims; newer services need a current code.

Official description

C9164

Cantharidin for topical administration, 0.7%, single unit dose applicator (3.2 mg)

Short description: Cantharidin top, applicator

HCPCS · United States

Medicare details

The indicators CMS publishes with C9164 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Special coverage instructions apply
Medicare pricing
Statute
Type of service
Medical care
BETOS category
Other drugs
Coverage statute
1833(T)
Added
Jan 1, 2024
Terminated after
Mar 31, 2024

Where C9164 sits

  1. 1C codesOutpatient prospective payment system
  2. 2Terminated C9164Cantharidin for topical administration, 0.7%, single unit dose applicator (3.2 mg)

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 C9164 still valid?

No. CMS terminated C9164; its last date of service was Mar 31, 2024. It is listed for looking up services from before then. Use a current code for newer services.

Does Medicare cover C9164?

CMS lists C9164’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Statute”. 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.