G2156 HCPCS Level II code: Patient did not receive at least one td vaccine or one tdap vaccine between nine years prior to the start of the measurement period and the end of the…
CMS terminated G2156: 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
G2156Patient did not receive at least one td vaccine or one tdap vaccine between nine years prior to the start of the measurement period and the end of the measurement period; or have history of at least one of the following contraindications any time during or before the measurement period: anaphylaxis due to tdap vaccine, anaphylaxis due to td vaccine or its components; encephalopathy due to tdap or td vaccination (post tetanus vaccination encephalitis, post diphtheria vaccination encephalitis or post pertussis vaccination encephalitis.)
Short description: No prior td or hx contra
HCPCS · United States
Medicare details
The indicators CMS publishes with G2156 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, 2020
- Terminated after
- Dec 31, 2020
Where G2156 sits
- 1G codesProcedures and professional services
- 2Terminated G2156Patient did not receive at least one td vaccine or one tdap vaccine between nine years prior to the start of the measurement period and the end of the measurement period; or have history of at least one of the following contraindications any time during or before the measurement period: anaphylaxis due to tdap vaccine, anaphylaxis due to td vaccine or its components; encephalopathy due to tdap or td vaccination (post tetanus vaccination encephalitis, post diphtheria vaccination encephalitis or post pertussis vaccination encephalitis.)
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 G2156 still valid?
No. CMS terminated G2156; 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 G2156?
CMS lists G2156’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.
Codes beside G2156
All G codesG2150Multimodal pain management was not usedG2151Documentation stating patient has a diagnosis of a degenerative neurological condition such as als, ms, or parkinson's diagnosed at any time before or during the episode of careG2152Residual score for the neck impairment successfully calculated and the score was equal to zero (0) or greater than zero (> 0)G2153In hospice or using hospice services during the measurement periodG2154Patient received at least one td vaccine or one tdap vaccine between nine years prior to the start of the measurement period and the end of the measurement periodG2155Patient had history of at least one of the following contraindications any time during or before the measurement period: anaphylaxis due to tdap vaccine, anaphylaxis due to td…G2157Patients received both the 13-valent pneumococcal conjugate vaccine and the 23-valent pneumococcal polysaccharide vaccine at least 12 months apart, with the first occurrence…G2158Patient had prior pneumococcal vaccine adverse reaction any time during or before the measurement periodG2159Patient did not receive both the 13-valent pneumococcal conjugate vaccine and the 23-valent pneumococcal polysaccharide vaccine at least 12 months apart, with the first…G2160Patient received at least one dose of the herpes zoster live vaccine or two doses of the herpes zoster recombinant vaccine (at least 28 days apart) anytime on or after the…G2161Patient had prior adverse reaction caused by zoster vaccine or its components any time during or before the measurement periodG2162Patient did not receive at least one dose of the herpes zoster live vaccine or two doses of the herpes zoster recombinant vaccine (at least 28 days apart) anytime on or after the…