Advanced Primary Care Management (APCM) is a Medicare care management service that became effective January 1, 2025, under the CY 2025 Physician Fee Schedule final rule. APCM bundles elements of several existing care management programs into a single monthly payment, designed to simplify billing and documentation while supporting the transition toward value-based primary care.
APCM combines components of Chronic Care Management (CCM), Principal Care Management (PCM), and Transitional Care Management (TCM) into one service framework. Unlike CCM and PCM, APCM is not time-based. Providers do not need to document minute-by-minute time thresholds to bill. Instead, APCM reimburses providers for the availability and delivery of a defined set of service elements, billed once per patient per calendar month.
Three-Tier Structure:
APCM uses three HCPCS G-codes, stratified by patient medical and social complexity:
G0556 (Level 1): For Medicare beneficiaries with zero or one chronic condition. This tier was designed to expand care management eligibility beyond the traditional CCM requirement of two or more chronic conditions. All Medicare beneficiaries qualify for at least Level 1 APCM.
G0557 (Level 2): For patients with two or more chronic conditions. This is the most commonly applicable tier for typical Medicare patient panels and represents the functional equivalent of the CCM population.
G0558 (Level 3): For patients with two or more chronic conditions who are also Qualified Medicare Beneficiaries (QMBs). QMB status indicates that the patient qualifies for Medicaid assistance with Medicare premiums and cost-sharing, signaling greater social complexity and resource needs.
13 Service Elements:
To bill any APCM code, a practice must be capable of delivering 13 defined service elements. These elements do not all need to be provided every month; rather, the practice must demonstrate the capacity to deliver them when clinically appropriate. The elements, as defined by CMS, include:
1. Patient consent (obtained once)
2. Initiating visit for new patients (billed separately)
3. 24/7 access and continuity of care
4. Comprehensive care management
5. Care plan development and revision
6. Medication management and reconciliation
7. Care transitions and follow-up after hospitalizations (within 30 days of discharge)
8. Coordination with specialists and other providers
9. Communication technology-based services (e-visits, virtual check-ins)
10. Patient education and self-management support
11. Assessment of social and community support needs
12. Preventive care coordination
13. Chronic and principal care management
Provider Eligibility:
APCM is intended primarily for primary care specialties, including general internal medicine, family medicine, geriatric medicine, and pediatrics. The billing practitioner must be a physician (MD/DO) or non-physician practitioner (NP, PA, CNS) responsible for all primary care for the enrolled patient. Auxiliary personnel can provide APCM services under general supervision.
APCM vs. CCM:
A critical distinction: the same practice can offer both APCM and CCM, but a single patient cannot be enrolled in both APCM and CCM (or APCM and PCM, or APCM and TCM) during the same calendar month. Practices with mixed patient panels may choose to enroll some patients in APCM and others in CCM, depending on which structure best fits the clinical and financial picture.
APCM's simplified billing structure (no time documentation, no per-minute thresholds) makes it attractive for practices entering care management for the first time. For practices already running CCM programs with consistently documented time, CCM may generate higher per-patient revenue in certain configurations, particularly when add-on codes (99439, 99437) are used.
Quality Reporting:
CMS requires APCM-billing providers who are MIPS-eligible to report performance using the Value in Primary Care MIPS Value Pathway (MVP), with reporting starting in 2026 for CY 2025 performance. Alternatively, providers may participate in a Medicare Shared Savings Program ACO, ACO REACH, Making Care Primary model, or Primary Care First model.
Sources:
CMS CY 2025 and CY 2026 Physician Fee Schedule final rules;
CMS.gov "Advanced Primary Care Management Services" page;
AAFP coding guidance for APCM;
Rural Health Information Hub (RHIhub) APCM overview,
updated February 2026.
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