Professional services (CMS-defined procedures)

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

HCPCS code G0556 is used on U.S. medical bills for professional services (cms-defined procedures): 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.

  • Typical setting: Outpatient
  • National avg charge (illustrative): Medicare physician fee schedule — see CMS lookup tool.
  • Most-disputed reason: Service billed at a level not supported by documentation

What it means

What G0556 actually means

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.

The official CMS HCPCS Level II descriptor for this code is shown above. If the description on your bill does not match the service you actually received, that is a reason to ask for the itemized bill and dispute the line.

Common errors with this code

What goes wrong on real bills.

Most bills that look correct still contain at least one of these issues. Up to 49% of medical bills contain errors (CFPB).

If you see G0556 on your bill

Three steps before paying.

1. Get the itemized bill. If your statement only shows a summary, request the CPT-level itemized bill before paying. Generate the request language →

2. Cross-check against the EOB. Compare what your insurer's Explanation of Benefits says you owe versus what the hospital is asking. They disagree more often than people think. Read the bill-vs-EOB guide →

3. Run a free Bill Scan. Upload the bill (and EOB if you have it) and BillBusted will flag the most likely issues with this specific code in your specific state. Run free scan →

Related codes

Other codes in this category.

People who land on G0556 often also see these adjacent codes on the same bill.

Related BillBusted guides

Plain-English reads if you see G0556 on a bill.

G0556 FAQ

Plain-English answers.

What is G0556 used for on a medical bill?

HCPCS code G0556 is used on medical bills for professional services (cms-defined procedures): 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. Up to 49% of medical bills contain at least one error (CFPB, 2023), and codes in this category most often get flagged for service billed at a level not supported by documentation. If you see G0556 on your bill, request the itemized statement and compare the units, date of service, and description to your Explanation of Benefits before paying.

How much should G0556 cost?

How much G0556 should cost depends on your payer and region. Up to 49% of medical bills contain at least one error (CFPB, 2023), and pricing for this HCPCS code is set by Medicare fee schedules for Medicare claims and by negotiated allowed amounts for commercial plans. Check the Medicare fee-schedule lookup tool, your insurer's member portal, or run a free BillBusted scan to compare your charge against typical allowed amounts.

Can I dispute a G0556 charge on my medical bill?

Yes, you can dispute a G0556 charge on your medical bill if the units, modifier, date of service, or coverage doesn't match the medical record or your insurance benefits. About 73.7% of patients who actually dispute a medical bill receive a correction (JAMA Health Forum, 2024). Request the itemized bill, compare to your EOB, and use BillBusted's Resolution Pack to draft the dispute letter if needed.

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