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.


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  • G0549

    Interprofessional telephone/internet/electronic health record assessment and management service provided by a practitioner in a specialty whose covered services are limited by statute to services for the diagnosis and treatment of mental illness, including a verbal and written report to the patient's treating/requesting practitioner; 31 or more minutes of medical consultative discussion and review
  • G0550

    Interprofessional telephone/internet/electronic health record assessment and management service provided by a practitioner in a specialty whose covered services are limited by statute to services for the diagnosis and treatment of mental illness, including a written report to the patient's treating/requesting practitioner, 5 minutes or more of medical consultative time
  • G0551

    Interprofessional telephone/internet/electronic health record referral service(s) provided by a treating/requesting practitioner in a specialty whose covered services are limited by statute to services for the diagnosis and treatment of mental illness, 30 minutes
  • G0552

    Supply of digital mental health treatment device and initial education and onboarding, per course of treatment that augments a behavioral therapy plan
  • G0553

    First 20 minutes of monthly treatment management services directly related to the patient's therapeutic use of the digital mental health treatment (dmht) device that augments a behavioral therapy plan, physician/other qualified health care professional time reviewing information related to the use of the dmht device, including patient observations and patient specific inputs in a calendar month and requiring at least one interactive communication with the patient/caregiver during the calendar month
  • G0554

    Each additional 20 minutes of monthly treatment management services directly related to the patient's therapeutic use of the digital mental health treatment (dmht) device that augments a behavioral therapy plan, physician/other qualified health care professional time reviewing data generated from the dmht device from patient observations and patient specific inputs in a calendar month and requiring at least one interactive communication with the patient/caregiver during the calendar month
  • G0555

    Provision of replacement patient electronics system (e.g., system pillow, handheld reader) for home pulmonary artery pressure monitoring
  • G0556

    Advanced primary care management services for a patient with one chronic condition [expected to last at least 12 months, or until the death of the patient, which place the patient at significant risk of death, acute exacerbation/decompensation, or functional decline], or fewer, provided by clinical staff and directed by a physician or other qualified health care professional who is responsible for all primary care and serves as the continuing focal point for all needed health care services, per calendar month, with the following elements, as appropriate: consent; ++ inform the patient of the availability of the service; that only one practitioner can furnish and be paid for the service during a calendar month; of the right to stop the services at any time (effective at the end of the calendar month); and that cost sharing may apply. ++ document in patient's medical record that consent was obtained. initiation during a qualifying visit for new patients or patients not seen within 3 years; provide 24/7 access for urgent needs to care team/practitioner, including providing patients/caregivers with a way to contact health care professionals in the practice to discuss urgent needs regardless of the time of day or day of week; continuity of care with a designated member of the care team with whom the patient is able to schedule successive routine appointments; deliver care in alternative ways to traditional office visits to best meet the patient's needs, such as home visits and/or expanded hours; overall comprehensive care management; ++ systematic needs assessment (medical and psychosocial). ++ system-based approaches to ensure receipt of preventive services. ++ medication reconciliation, management and oversight of self-management. development, implementation, revision, and maintenance of an electronic patient-centered comprehensive care plan with typical care plan elements when clinically relevant; ++ care plan is available timely within and outside the billing practice as appropriate to individuals involved in the beneficiary's care, can be routinely accessed and updated by care team/practitioner, and copy of care plan to patient/caregiver; coordination of care transitions between and among health care providers and settings, including referrals to other clinicians and follow-up after an emergency department visit and discharges from hospitals, skilled nursing facilities or other health care facilities as applicable; ++ ensure timely exchange of electronic health information with other practitioners and providers to support continuity of care. ++ ensure timely follow-up communication (direct contact, telephone, electronic) with the patient and/or caregiver after an emergency department visit and discharges from hospitals, skilled nursing facilities, or other health care facilities, within 7 calendar days of discharge, as clinically indicated. ongoing communication and coordinating receipt of needed services from practitioners, home- and community-based service providers, community-based social service providers, hospitals, and skilled nursing facilities (or other health care facilities), and document communication regarding the patient's psychosocial strengths and needs, functional deficits, goals, preferences, and desired outcomes, including cultural and linguistic factors, in the patient's medical record; enhanced opportunities for the beneficiary and any caregiver to communicate with the care team/practitioner regarding the beneficiary's care through the use of asynchronous non-face-to-face consultation methods other than telephone, such as secure messaging, email, internet, or patient portal, and other communication-technology based services, including remote evaluation of pre-recorded patient information and interprofessional telephone/internet/ehr referral service(s), to maintain ongoing communication with patients, as appropriate; ++ ensure access to patient-initiated digital communications that require a clinical decision, such as virtual check-ins and digital online assessment and management and e/m visits (or e-visits). analyze patient population data to identify gaps in care and offer additional interventions, as appropriate; risk stratify the practice population based on defined diagnoses, claims, or other electronic data to identify and target services to patients; be assessed through performance measurement of primary care quality, total cost of care, and meaningful use of certified ehr technology
  • G0557

    Advanced primary care management services for a patient with multiple (two or more) chronic conditions expected to last at least 12 months, or until the death of the patient, which place the patient at significant risk of death, acute exacerbation/decompensation, or functional decline, provided by clinical staff and directed by a physician or other qualified health care professional who is responsible for all primary care and serves as the continuing focal point for all needed health care services, per calendar month, with the following elements, as appropriate: consent; ++ inform the patient of the availability of the service; that only one practitioner can furnish and be paid for the service during a calendar month; of the right to stop the services at any time (effective at the end of the calendar month); and that cost sharing may apply. ++ document in patient's medical record that consent was obtained. initiation during a qualifying visit for new patients or patients not seen within 3 years; provide 24/7 access for urgent needs to care team/practitioner, including providing patients/caregivers with a way to contact health care professionals in the practice to discuss urgent needs regardless of the time of day or day of week; continuity of care with a designated member of the care team with whom the patient is able to schedule successive routine appointments; deliver care in alternative ways to traditional office visits to best meet the patient's needs, such as home visits and/or expanded hours; overall comprehensive care management; ++ systematic needs assessment (medical and psychosocial). ++ system-based approaches to ensure receipt of preventive services. ++ medication reconciliation, management and oversight of self-management. development, implementation, revision, and maintenance of an electronic patient-centered comprehensive care plan; ++ care plan is available timely within and outside the billing practice as appropriate to individuals involved in the beneficiary's care, can be routinely accessed and updated by care team/practitioner, and copy of care plan to patient/caregiver; coordination of care transitions between and among health care providers and settings, including referrals to other clinicians and follow-up after an emergency department visit and discharges from hospitals, skilled nursing facilities or other health care facilities as applicable; ++ ensure timely exchange of electronic health information with other practitioners and providers to support continuity of care. ++ ensure timely follow-up communication (direct contact, telephone, electronic) with the patient and/or caregiver after an emergency department visit and discharges from hospitals, skilled nursing facilities, or other health care facilities, within 7 calendar days of discharge, as clinically indicated. ongoing communication and coordinating receipt of needed services from practitioners, home- and community-based service providers, community-based social service providers, hospitals, and skilled nursing facilities (or other health care facilities), and document communication regarding the patient's psychosocial strengths and needs, functional deficits, goals, preferences, and desired outcomes, including cultural and linguistic factors, in the patient's medical record; enhanced opportunities for the beneficiary and any caregiver to communicate with the care team/practitioner regarding the beneficiary's care through the use of asynchronous non-face-to-face consultation methods other than telephone, such as secure messaging, email, internet, or patient portal, and other communication-technology based services, including remote evaluation of pre-recorded patient information and interprofessional telephone/internet/ehr referral service(s), to maintain ongoing communication with patients, as appropriate; ++ ensure access to patient-initiated digital communications that require a clinical decision, such as virtual check-ins and digital online assessment and management and e/m visits (or e-visits). analyze patient population data to identify gaps in care and offer additional interventions, as appropriate; risk stratify the practice population based on defined diagnoses, claims, or other electronic data to identify and target services to patients; be assessed through performance measurement of primary care quality, total cost of care, and meaningful use of certified ehr technology
  • G0558

    Advanced primary care management services for a patient that is a qualified medicare beneficiary with multiple (two or more) chronic conditions expected to last at least 12 months, or until the death of the patient, which place the patient at significant risk of death, acute exacerbation/decompensation, or functional decline, provided by clinical staff and directed by a physician or other qualified health care professional who is responsible for all primary care and serves as the continuing focal point for all needed health care services, per calendar month, with the following elements, as appropriate: consent; ++ inform the patient of the availability of the service; that only one practitioner can furnish and be paid for the service during a calendar month; of the right to stop the services at any time (effective at the end of the calendar month); and that cost sharing may apply. ++ document in patient's medical record that consent was obtained. initiation during a qualifying visit for new patients or patients not seen within 3 years; provide 24/7 access for urgent needs to care team/practitioner, including providing patients/caregivers with a way to contact health care professionals in the practice to discuss urgent needs regardless of the time of day or day of week; continuity of care with a designated member of the care team with whom the patient is able to schedule successive routine appointments; deliver care in alternative ways to traditional office visits to best meet the patient's needs, such as home visits and/or expanded hours; overall comprehensive care management; ++ systematic needs assessment (medical and psychosocial). ++ system-based approaches to ensure receipt of preventive services. ++ medication reconciliation, management and oversight of self-management. development, implementation, revision, and maintenance of an electronic patient-centered comprehensive care plan; ++ care plan is available timely within and outside the billing practice as appropriate to individuals involved in the beneficiary's care, can be routinely accessed and updated by care team/practitioner, and copy of care plan to patient/caregiver; coordination of care transitions between and among health care providers and settings, including referrals to other clinicians and follow-up after an emergency department visit and discharges from hospitals, skilled nursing facilities or other health care facilities as applicable; ++ ensure timely exchange of electronic health information with other practitioners and providers to support continuity of care. ++ ensure timely follow-up communication (direct contact, telephone, electronic) with the patient and/or caregiver after an emergency department visit and discharges from hospitals, skilled nursing facilities, or other health care facilities, within 7 calendar days of discharge, as clinically indicated. ongoing communication and coordinating receipt of needed services from practitioners, home- and community-based service providers, community-based social service providers, hospitals, and skilled nursing facilities (or other health care facilities), and document communication regarding the patient's psychosocial strengths and needs, functional deficits, goals, preferences, and desired outcomes, including cultural and linguistic factors, in the patient's medical record; enhanced opportunities for the beneficiary and any caregiver to communicate with the care team/practitioner regarding the beneficiary's care through the use of asynchronous non-face-to-face consultation methods other than telephone, such as secure messaging, email, internet, or patient portal, and other communication-technology based services, including remote evaluation of pre-recorded patient information and interprofessional telephone/internet/ehr referral service(s), to maintain ongoing communication with patients, as appropriate; ++ ensure access to patient-initiated digital communications that require a clinical decision, such as virtual check-ins and digital online assessment and management and e/m visits (or e-visits). analyze patient population data to identify gaps in care and offer additional interventions, as appropriate; risk stratify the practice population based on defined diagnoses, claims, or other electronic data to identify and target services to patients; be assessed through performance measurement of primary care quality, total cost of care, and meaningful use of certified ehr technology
  • G0559

    Post-operative follow-up visit complexity inherent to evaluation and management services addressing surgical procedure(s), provided by a physician or qualified health care professional who is not the practitioner who performed the procedure (or in the same group practice) and is of the same or of a different specialty than the practitioner who performed the procedure, within the 90-day global period of the procedure(s), once per 90-day global period, when there has not been a formal transfer of care and requires the following required elements, when possible and applicable: reading available surgical note to understand the relative success of the procedure, the anatomy that was affected, and potential complications that could have arisen due to the unique circumstances of the patient's operation. research the procedure to determine expected post-operative course and potential complications (in the case of doing a post-op for a procedure outside the specialty). evaluate and physically examine the patient to determine whether the post-operative course is progressing appropriately. communicate with the practitioner who performed the procedure if any questions or concerns arise. (list separately in addition to office/outpatient evaluation and management visit, new or established)
  • G0560

    Safety planning interventions, each 20 minutes personally performed by the billing practitioner, including assisting the patient in the identification of the following personalized elements of a safety plan: recognizing warning signs of an impending suicidal or substance use-related crisis; employing internal coping strategies; utilizing social contacts and social settings as a means of distraction from suicidal thoughts or risky substance use; utilizing family members, significant others, caregivers, and/or friends to help resolve the crisis; contacting mental health or substance use disorder professionals or agencies; and making the environment safe
  • G0561

    Tympanostomy with local or topical anesthesia and insertion of a ventilating tube when performed with tympanostomy tube delivery device, unilateral (list separately in addition to 69433) (do not use in conjunction with 0583t)
  • G0562

    Therapeutic radiology simulation-aided field setting; complex, including acquisition of pet and ct imaging data required for radiopharmaceutical-directed radiation therapy treatment planning (i.e., modeling)
  • G0563

    Stereotactic body radiation therapy, treatment delivery, per fraction to 1 or more lesions, including image guidance and real-time positron emissions-based delivery adjustments to 1 or more lesions, entire course not to exceed 5 fractions
  • G0564

    Creation of subcutaneous pocket with insertion of 365 day implantable interstitial glucose sensor, including system activation and patient training
  • G0565

    Removal of implantable interstitial glucose sensor with creation of subcutaneous pocket at different anatomic site and insertion of new 365 day implantable sensor, including system activation
  • G0566

    3d radiodensity-value bone imaging, algorithm derived, from previous magnetic resonance examination of the same anatomy
  • G0567

    Infectious agent detection by nucleic acid (dna or rna); hepatitis c, screening, amplified probe technique
  • G0568

    Initial psychiatric collaborative care management, in the first calendar month of behavioral health care manager activities, in consultation with a psychiatric consultant, and directed by the treating physician or other qualified health care professional, with the following required elements: outreach to and engagement in treatment of a patient directed by the treating physician or other qualified health care professional, initial assessment of the patient, including administration of validated rating scales, with the development of an individualized treatment plan, review by the psychiatric consultant with modifications of the plan if recommended, entering patient in a registry and tracking patient follow-up and progress using the registry, with appropriate documentation, and participation in weekly caseload consultation with the psychiatric consultant, and provision of brief interventions using evidence-based techniques such as behavioral activation, motivational interviewing, and other focused treatment strategies (list separately in addition to the advanced primary care management code)
  • G0569

    Subsequent psychiatric collaborative care management, in a subsequent month of behavioral health care manager activities, in consultation with a psychiatric consultant, and directed by the treating physician or other qualified health care professional, with the following required elements: tracking patient follow-up and progress using the registry, with appropriate documentation, participation in weekly caseload consultation with the psychiatric consultant, ongoing collaboration with and coordination of the patient's mental health care with the treating physician or other qualified health care professional and any other treating mental health providers, additional review of progress and recommendations for changes in treatment, as indicated, including medications, based on recommendations provided by the psychiatric consultant, provision of brief interventions using evidence-based techniques such as behavioral activation, motivational interviewing, and other focused treatment strategies, monitoring of patient outcomes using validated rating scales, and relapse prevention planning with patients as they achieve remission of symptoms and/or other treatment goals and are prepared for discharge from active treatment (list separately in addition to advanced primary care management code)
  • G0570

    Care management services for behavioral health conditions, directed by a physician or other qualified health care professional, per calendar month, with the following required elements: initial assessment or follow-up monitoring, including the use of applicable validated rating scales, behavioral health care planning in relation to behavioral/psychiatric health problems, including revision for patients who are not progressing or whose status changes, facilitating and coordinating treatment such as psychotherapy, pharmacotherapy, counseling and/or psychiatric consultation, and continuity of care with a designated member of the care team (list separately in addition to advanced primary care management code)
  • G0571

    Intraoperative nerve(s) cryoablation for post-surgical pain relief (list separately in addition to code for primary service)
  • G0659

    Drug test(s), definitive, utilizing drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem), excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase), performed without method or drug-specific calibration, without matrix-matched quality control material, or without use of stable isotope or other universally recognized internal standard(s) for each drug, drug metabolite or drug class per specimen; qualitative or quantitative, all sources, includes specimen validity testing, per day, any number of drug classes
  • G0660

    Team remote e/m new pt 10mins
  • G0661

    Team remote e/m new pt 20mins
  • G0662

    Team remote e/m new pt 30 mins
  • G0663

    Team remote e/m new pt 45mins
  • G0664

    Team remote e/m new pt 60mins
  • G0665

    Team remote e/m est. pt 10mins
  • G0666

    Team remote e/m est. pt 15mins
  • G0667

    Team remote e/m est. pt 25mins
  • G0668

    Team remote e/m est. pt 40mins
  • G0680

    Detection and quantification of coronary artery calcium and/or aortic valve calcification from algorithmic analysis of computed tomography of the chest with report
  • G0681

    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 for a wound surface area up to 100 sq cm; first 25 sq cm or less of wound surface area
  • G0682

    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 for a wound surface area up to 100 sq cm; each additional 25 sq cm wound surface area, or part thereof (list separately in addition to code for primary procedure)
  • G0683

    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; first 100 sq cm wound surface area, or 1% of body area of infants and children
  • 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
  • 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)

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/3/2026

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