HCPCS Level II · Procedures and professional services (temporary)
G2164Patient had a prior influenza virus vaccine adverse reaction any time before or during the measurement period
Terminated 12/31/2020
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G2164
G2164 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing patient had a prior influenza virus vaccine adverse reaction any time before or during the measurement period.
It was added to HCPCS effective 01/01/2020, and its current record took effect 01/01/2021.
It was terminated on 12/31/2020 and can't be billed for later dates of service.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Adv rx infl vacc
- Date added
- 01/01/2020
- Action effective
- 01/01/2021
- Termination date
- 12/31/2020
- BETOS
- Z2
Related G21xx codes
- G2100Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and a dispensed medication for dementia during the measurement period or the year prior to the measurement period
- G2101Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and an advanced illness diagnosis during the measurement period or the year prior to the measurement period
- G2105Patient age 66 or older in institutional special needs plans (snp) or residing in long-term care with pos code 32, 33, 34, 54 or 56 for more than 90 consecutive days during the measurement period
- G2106Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and a dispensed medication for dementia during the measurement period or the year prior to the measurement period
- G2107Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and an advanced illness diagnosis during the measurement period or the year prior to the measurement period
- G2112Patient receiving <=5 mg daily prednisone (or equivalent), or ra activity is worsening, or glucocorticoid use is for less than 6 months
- G2113Patient receiving >5 mg daily prednisone (or equivalent) for longer than 6 months, and improvement or no change in disease activity
- G2115Patients 66 - 80 years of age with at least one claim/encounter for frailty during the measurement period and a dispensed medication for dementia during the measurement period or the year prior to the measurement period
- G2116Patients 66 - 80 years of age with at least one claim/encounter for frailty during the measurement period and an advanced illness diagnosis during the measurement period or the year prior to the measurement period
- G2118Patients 81 years of age and older with at least one claim/encounter for frailty during the measurement period
- G2121Depression, anxiety, apathy, and psychosis assessed
- G2122Depression, anxiety, apathy, and psychosis not assessed
Common questions about G2164
Is HCPCS G2164 still valid?
- No. G2164 was terminated on 12/31/2020.
Does Medicare cover G2164?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.