G0455 – Preparation with instillation of fecal microbiota by any method, including assessment of donor specimen

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Carrier judgment

HCPCS codeG0455
Long description
Preparation with instillation of fecal microbiota by any method, including assessment of donor specimen
Short description
Fecal microbiota prep instil
Pricing indicator
13 Priced by the Medicare contractor (carrier)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
T2D Other tests - other
Added
January 1, 2013
Last change
January 1, 2013 – No change

Frequently asked questions

What is HCPCS code G0455?

G0455 is a HCPCS Level II code for preparation with instillation of fecal microbiota by any method, including assessment of donor specimen.

Does Medicare cover G0455?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.