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.


  • G0684

    Application of a premarket approval (pma), 510(k), 361 human cells, tissues or cellular and tissue-based products (hct/p) non-sheet form skin substitute graft for a wound surface greater than or equal to 100 sq cm; each additional 100 sq cm wound surface area or part thereof, or each additional 1% of body area of infants and children, or part thereof (list separately in addition to code for primary procedure)
  • G0908

    Most recent hemoglobin (hgb) level > 12.0 g/dl
  • G0909

    Hemoglobin level measurement not documented, reason not given
  • G0910

    Most recent hemoglobin level <= 12.0 g/dl
  • G0913

    Improvement in visual function achieved within 90 days following cataract surgery
  • G0914

    Patient care survey was not completed by patient
  • G0915

    Improvement in visual function not achieved within 90 days following cataract surgery
  • G0916

    Satisfaction with care achieved within 90 days following cataract surgery
  • G0917

    Patient care survey was not completed by patient
  • G0918

    Satisfaction with care not achieved within 90 days following cataract surgery


  • Continued
  • G0919

    Influenza immunization ordered or recommended (to be given at alternate location or alternate provider); vaccine not available at time of visit
  • G0920

    Type, anatomic location, and activity all documented
  • G0921

    Documentation of patient reason(s) for not being able to assess (e.g., patient refuses endoscopic and/or radiologic assessment)
  • 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
  • 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


  • Continued
  • 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
  • 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.)