G0455 HCPCS Level II code: Preparation with instillation of fecal microbiota by any method, including assessment of donor specimen

G0455 is the HCPCS code for “Preparation with instillation of fecal microbiota by any method, including assessment of donor specimen” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

G0455

Preparation with instillation of fecal microbiota by any method, including assessment of donor specimen

Short description: Fecal microbiota prep instil

HCPCS · United States

Medicare details

The indicators CMS publishes with G0455 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Medicare pricing
Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)
Type of service
Medical care
BETOS category
Other tests - other
Added
Jan 1, 2013

Where G0455 sits

  1. 1G codesProcedures and professional services
  2. 2Active code G0455Preparation with instillation of fecal microbiota by any method, including assessment of donor specimen

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 G0455 mean?

G0455 is the HCPCS code for “Preparation with instillation of fecal microbiota by any method, including assessment of donor specimen” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover G0455?

CMS lists G0455’s Medicare coverage as “Carrier judgment” and its pricing as “Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)”. 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.

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