HCPCS G-Codes
Procedures/Professional Services (Temporary Codes)

Temporary G codes are assigned to services and procedures that are under review before being included in the CPT coding system. Payment for these services is under the jurisdiction of the local carriers.

• G0922

  No documentation of disease type, anatomic location, and activity, reason not given

• G1000

  Clinical decision support mechanism applied pathways, as defined by the medicare appropriate use criteria program

• G1001

  Clinical decision support mechanism evicore, as defined by the medicare appropriate use criteria program

• G1002

  Clinical decision support mechanism medcurrent, as defined by the medicare appropriate use criteria program

• G1003

  Clinical decision support mechanism medicalis, as defined by the medicare appropriate use criteria program

• G1004

  Clinical decision support mechanism national decision support company, as defined by the medicare appropriate use criteria program

• G1005

  Clinical decision support mechanism national imaging associates, as defined by the medicare appropriate use criteria program

• G1006

  Clinical decision support mechanism test appropriate, as defined by the medicare appropriate use criteria program

• G1007

  Clinical decision support mechanism aim specialty health, as defined by the medicare appropriate use criteria program

• G1008

  Clinical decision support mechanism cranberry peak, as defined by the medicare appropriate use criteria program

• ---

  ---

  Continued

• G1009

  Clinical decision support mechanism sage health management solutions, as defined by the medicare appropriate use criteria program

• G1010

  Clinical decision support mechanism stanson, as defined by the medicare appropriate use criteria program

• G1011

  Clinical decision support mechanism, qualified tool not otherwise specified, as defined by the medicare appropriate use criteria program

• G1012

  Clinical decision support mechanism agilemd, as defined by the medicare appropriate use criteria program

• G1013

  Clinical decision support mechanism evidencecare imagingcare, as defined by the medicare appropriate use criteria program

• G1014

  Clinical decision support mechanism inveniqa semantic answers in medicine, as defined by the medicare appropriate use criteria program

• G1015

  Clinical decision support mechanism reliant medical group, as defined by the medicare appropriate use criteria program

• G1016

  Clinical decision support mechanism speed of care, as defined by the medicare appropriate use criteria program

• G1017

  Clinical decision support mechanism healthhelp, as defined by the medicare appropriate use criteria program

• G1018

  Clinical decision support mechanism infinx, as defined by the medicare appropriate use criteria program

• G1019

  Clinical decision support mechanism logicnets, as defined by the medicare appropriate use criteria program

• G1020

  Clinical decision support mechanism curbside clinical augmented workflow, as defined by the medicare appropriate use criteria program

• G1021

  Clinical decision support mechanism ehealthline clinical decision support mechanism, as defined by the medicare appropriate use criteria program

• G1022

  Clinical decision support mechanism intermountain clinical decision support mechanism, as defined by the medicare appropriate use criteria program

• G1023

  Clinical decision support mechanism persivia clinical decision support, as defined by the medicare appropriate use criteria program

• G1024

  Clinical decision support mechanism radrite, as defined by the medicare appropriate use criteria program

• G1025

  Patient-months where there are more than one medicare capitated payment (mcp) provider listed for the month

• G1026

  The number of adult patient-months in the denominator who were on maintenance hemodialysis using a catheter continuously for three months or longer under the care of the same practitioner or group partner as of the last hemodialysis session of the reporting month

• G1027

  The number of adult patient-months in the denominator who were on maintenance hemodialysis under the care of the same practitioner or group partner as of the last hemodialysis session of the reporting month using a catheter continuously for less than three months

• G1028

  Take-home supply of nasal naloxone; 2-pack of 8mg per 0.1 ml nasal spray (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for primary procedure

• ---

  ---

  Continued

• G2000

  Blinded 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

• G2001

  Brief (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.)

• G2002

  Limited (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.)

• G2003

  Moderate (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.)

• G2004

  Comprehensive (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.)

• G2005

  Extensive (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.)

• G2006

  Brief (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.)

• G2007

  Limited (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.)

• G2008

  Moderate (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.)

• G2009

  Comprehensive (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.)

• G2010

  Remote 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

• G2011

  Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and brief intervention, 5-14 minutes

• G2012

  Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, 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; 5-10 minutes of medical discussion

• G2013

  Extensive (75 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.)

• G2014

  Limited (30 minutes) care plan oversight. 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.)

• G2015

  Comprehensive (60 mins) home care plan oversight. 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.)

• G2020

  Services for high intensity clinical services associated with the initial engagement and outreach of beneficiaries assigned to the sip component of the pcf model (do not bill with chronic care management codes)

• G2021

  Health care practitioners rendering treatment in place (tip)

• G2022

  A model participant (ambulance supplier/provider), the beneficiary refuses services covered under the model (transport to an alternate destination/treatment in place)

• G2023

  Specimen collection for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), any specimen source