HCPCS Level II · Procedures and professional services (temporary)
G2099Patients 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
✓ Active
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G2099
G2099 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing patients 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.
It was added to HCPCS effective 01/01/2020, and its current record took effect 01/01/2025.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Pt 66+ frailty and adv ill
- Date added
- 01/01/2020
- Action effective
- 01/01/2025
- BETOS
- Z2
Related G20xx codes
- G2000Blinded administration of convulsive therapy procedure, either electroconvulsive therapy (ect, current covered gold standard) or magnetic seizure therapy (mst, non-covered experimental therapy), performed in an approved ide-based clinical trial, per treatment session
- G2001Brief (20 minutes) in-home visit for a new patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2002Limited (30 minutes) in-home visit for a new patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2003Moderate (45 minutes) in-home visit for a new patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2004Comprehensive (60 minutes) in-home visit for a new patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2005Extensive (75 minutes) in-home visit for a new patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2006Brief (20 minutes) in-home visit for an existing patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2007Limited (30 minutes) in-home visit for an existing patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2008Moderate (45 minutes) in-home visit for an existing patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2009Comprehensive (60 minutes) in-home visit for an existing patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90 days following discharge from an inpatient facility and no more than 9 times.)
- G2010Remote evaluation of recorded video and/or images submitted by an established patient (e.g., store and forward), including interpretation with follow-up with the patient within 24 business hours, not originating from a related e/m service provided within the previous 7 days nor leading to an e/m service or procedure within the next 24 hours or soonest available appointment
- G2011Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and brief intervention, 5-14 minutes
Common questions about G2099
Is HCPCS G2099 still valid?
- Yes. G2099 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G2099?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.