G8912 — Patient documented to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event
G8912 is a HCPCS Level II code for patient documented to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event. It belongs to the Procedures and Professional Services (Temporary) section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusX
Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for G8912
- Long descriptor
- Patient documented to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event
- Short descriptor
- Pt doc with wrong event
- Added
- April 1, 2012
- BETOS
- M5B
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to G8912
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G8912 is not quite right, the correct code is very often within a few positions of it.
- G8904I intend to report the hypertension (htn) measures groupterminated
- G8905I intend to report the cardiovascular prevention measures groupterminated
- G8906I intend to report the cataract measures groupterminated
- G8907Patient documented not to have experienced any of the following events: a burn prior to discharge; a fall within the facility; wrong site/side/patient/procedure/implant event; or a hospital transfer or hospital admission upon discharge from the facility
- G8908Patient documented to have received a burn prior to discharge
- G8909Patient documented not to have received a burn prior to discharge
- G8910Patient documented to have experienced a fall within asc
- G8911Patient documented not to have experienced a fall within ambulatory surgical center
- G8913Patient documented not to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event
- G8914Patient documented to have experienced a hospital transfer or hospital admission upon discharge from asc
- G8915Patient documented not to have experienced a hospital transfer or hospital admission upon discharge from asc
- G8916Patient with preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis, antibiotic initiated on time
- G8917Patient with preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis, antibiotic not initiated on time
- G8918Patient without preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis
- G8923Current or prior left ventricular ejection fraction (lvef) <= 40% or documentation of moderately or severely depressed left ventricular systolic function
- G8924Spirometry results documented (fev1/fvc < 70%)
Questions about G8912
What is HCPCS code G8912?
G8912 is a HCPCS Level II code for patient documented to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G8912?
The CMS HCPCS file marks G8912 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is G8912 paid under the physician fee schedule?
G8912 carries PFS status code X. Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.