G2123 — Patients 66-80 years of age and had at least one claim/encounter for frailty during the measurement period and either one acute inpatient encounter with a diagnosis of advanced illness or two outpatient, observation, ed or nonacute inpatient encounters on different dates of service with an advanced illness diagnosis during the measurement period or the year prior to the measurement period
G2123 is a HCPCS Level II code for patients 66-80 years of age and had at least one claim/encounter for frailty during the measurement period and either one acute inpatient encounter with a diagnosis of advanced illness or two outpatient, observation, ed or nonacute inpatient encounters on different dates of service with an advanced illness diagnosis during the measurement period or the year prior to the measurement period. It belongs to the Procedures and Professional Services (Temporary) section. It was terminated on December 31, 2020 and is not valid on new claims.
This code has been terminated
CMS terminated G2123 on December 31, 2020. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
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.
The CMS record for G2123
- Long descriptor
- Patients 66-80 years of age and had at least one claim/encounter for frailty during the measurement period and either one acute inpatient encounter with a diagnosis of advanced illness or two outpatient, observation, ed or nonacute inpatient encounters on different dates of service with an advanced illness diagnosis during the measurement period or the year prior to the measurement period
- Short descriptor
- Pt 66-80 frailty med dem
- Added
- January 1, 2020
- Terminated
- December 31, 2020
- BETOS
- Z2
- 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.
When CMS retired it.
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 G2123
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G2123 is not quite right, the correct code is very often within a few positions of it.
- 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
- G2117Patients 66-80 years of age with at least one claim/encounter for frailty during the measurement period and either one acute inpatient encounter with a diagnosis of advanced illness or two outpatient, observation, ed or nonacute inpatient encounters on different dates of service with an advanced illness diagnosis during the measurement period or the year prior to the measurement periodterminated
- G2118Patients 81 years of age and older with at least one claim/encounter for frailty during the measurement period
- G2119Within the past 2 years, calcium and/or vitamin d optimization has been ordered or performedterminated
- G2120Within the past 2 years, calcium and/or vitamin d optimization has not been ordered or performedterminated
- G2121Depression, anxiety, apathy, and psychosis assessed
- G2122Depression, anxiety, apathy, and psychosis not assessed
- G2124Patients 66-80 years of age and had at least one claim/encounter for frailty during the measurement period and a dispensed dementia medicationterminated
- G2125Patients 81 years of age and older with at least one claim/encounter for frailty during the six months prior to the measurement period through december 31 of the measurement period
- G2126Patients 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
- G2127Patients 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
- G2128Documentation of medical reason(s) for not on a daily aspirin or other antiplatelet (e.g. history of gastrointestinal bleed, intra-cranial bleed, blood disorders, idiopathic thrombocytopenic purpura (itp), gastric bypass or documentation of active anticoagulant use during the measurement period)
- G2129Procedure-related bp's not taken during an outpatient visit. examples include same day surgery, ambulatory service center, g.i. lab, dialysis, infusion center, chemotherapy
- G2130Patients 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 days during the measurement periodterminated
- G2131Patients 81 years and older with a diagnosis of frailtyterminated
Questions about G2123
What is HCPCS code G2123?
G2123 is a HCPCS Level II code for patients 66-80 years of age and had at least one claim/encounter for frailty during the measurement period and either one acute inpatient encounter with a diagnosis of advanced illness or two outpatient, observation, ed or nonacute inpatient encounters on different dates of service with an advanced illness diagnosis during the measurement period or the year prior to the measurement period. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G2123?
The CMS HCPCS file marks G2123 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.
Is G2123 still valid?
No. G2123 was terminated on December 31, 2020 and should not be used on new claims.