Updated for 2026. CPT 99487 and CPT 99490 both describe Medicare Chronic Care Management services for patients with multiple chronic conditions, but they are not interchangeable.
The biggest differences are the amount of qualifying monthly care-management time and the additional medical decision-making requirement for complex CCM.
CPT 99490 represents standard Chronic Care Management beginning with the first 20 minutes of qualifying clinical-staff time during a calendar month. CPT 99487 represents Complex Chronic Care Management beginning with the first 60 minutes and also requires moderate- or high-complexity medical decision-making by the physician or other billing practitioner.
CPT 99487 vs 99490 at a Glance
FeatureCPT 99490CPT 99487Care typeStandard CCMComplex CCMInitial qualifying timeFirst 20 minutesFirst 60 minutesPrimary staff typeClinical staff under practitioner directionClinical staff under practitioner direction2+ chronic conditionsRequiredRequiredComprehensive care planRequiredRequiredModerate/high complexity medical decision-makingNot specifically requiredRequiredAdd-on code9943999489
What Is CPT 99490?
CPT 99490 is the standard clinical-staff Chronic Care Management code.
CMS identifies it as the first 20 minutes of qualifying clinical-staff CCM services directed by a physician or other qualified healthcare professional during a calendar month.
Typical qualifying CCM activities may include:
- Medication management
- Patient or caregiver communication
- Monitoring the comprehensive care plan
- Care coordination
- Referral follow-up
- Care-transition support
- Addressing barriers affecting chronic-condition management
- Communication with outside practitioners and resources
What Is CPT 99487?
CPT 99487 is the base code for Complex Chronic Care Management.
CMS identifies 99487 as the first 60 minutes of qualifying clinical-staff time directed by a physician or other qualified healthcare professional during a calendar month.
Unlike standard CCM, complex CCM also requires moderate- or high-complexity medical decision-making by the physician or other billing practitioner.
Both Codes Require Multiple Chronic Conditions
Both standard and complex CCM apply to patients with two or more chronic conditions expected to last at least 12 months or until the patient's death and that place the patient at significant risk of death, acute exacerbation or decompensation, or functional decline.
Complex CCM does not use a completely different patient-eligibility framework. Instead, it adds greater care-management intensity, more monthly time, and a medical decision-making requirement.
The Biggest Difference: 20 Minutes vs 60 Minutes
The time threshold is one of the clearest differences between CPT 99490 and CPT 99487.
CodeInitial Monthly Time99490First 20 minutes99487First 60 minutes
A patient who requires 24 minutes of qualifying CCM work during a month may support evaluation of CPT 99490 when all other requirements are met.
A patient whose care requires substantially more coordination and reaches the complex CCM time requirement may support evaluation of CPT 99487, provided the required moderate- or high-complexity medical decision-making is also documented.
Complex CCM Requires Moderate- or High-Complexity Medical Decision-Making
This is the requirement that most clearly separates complex CCM from ordinary time-based CCM.
CMS states that Complex Chronic Care Management requires and includes moderate- to high-complexity medical decision-making by the physician or other billing practitioner.
Simply accumulating 60 minutes of staff activity does not automatically convert standard CCM into complex CCM.
The record should support both:
- The required complex CCM time
- The required level of practitioner medical decision-making
Example: CPT 99490
A Medicare patient has diabetes, hypertension, and osteoarthritis.
During the month, the care manager:
- Reviews medication adherence
- Contacts the patient about home blood-pressure readings
- Coordinates an endocrinology appointment
- Updates the comprehensive care plan
The qualifying clinical-staff time totals 26 minutes.
If the patient and service satisfy all other applicable Medicare requirements, the practice may evaluate CPT 99490.
Example: CPT 99487
A patient has heart failure, COPD, diabetes, and chronic kidney disease and experiences significant clinical changes during the month.
The care team spends 68 minutes coordinating medications, reviewing post-discharge needs, communicating with specialists, updating the comprehensive care plan, and managing changes in the patient's condition.
The billing practitioner also performs and documents moderate- or high-complexity medical decision-making.
If all other requirements are satisfied, the record may support evaluation of CPT 99487 rather than standard CCM.
CPT 99439: Additional Standard CCM Time
CPT 99439 is the add-on code associated with CPT 99490.
CMS identifies 99439 as each additional 20 minutes of qualifying clinical-staff CCM time during the calendar month.
For example, a patient whose documented CCM activity exceeds the initial 99490 threshold may potentially support 99490 plus one or more units of 99439, depending on documented time and current CPT and payer rules.
CPT 99489: Additional Complex CCM Time
CPT 99489 is the add-on code associated with CPT 99487.
CMS's current CCM guidance identifies 99489 as each additional 30 minutes of qualifying complex CCM clinical-staff time.
It is an add-on service and should only be reported when the base complex CCM service and applicable additional-time requirements are satisfied.
99487 vs 99490 vs Their Add-On Codes
CodeCare TypeTime99490Standard CCMFirst 20 minutes99439Additional standard CCMEach additional 20 minutes99487Complex CCMFirst 60 minutes99489Additional complex CCMEach additional 30 minutes
Can You Bill CPT 99487 and 99490 Together?
No. CMS states that practices cannot report non-complex CCM and complex CCM for the same patient during the same calendar month.
That means a practice should determine which CCM pathway is supported by the patient's actual documented services rather than billing both base codes together.
What About CPT 99491?
CPT 99491 represents CCM services performed personally by a physician or other qualified healthcare professional and uses a different time structure.
CMS states that CPT 99491 and its add-on code 99437 cannot be reported in the same calendar month as clinical-staff CCM codes 99487, 99489, 99490, or 99439.
Practices should therefore establish clear rules for separating practitioner-only CCM from clinical-staff CCM.
Practitioner Time May Contribute to Clinical-Staff CCM Codes
CMS states that CPT 99487, 99489, 99490, and 99439 can include qualifying time spent directly by the billing practitioner as well as clinical staff.
However, practitioner time used toward those services cannot also be counted toward CPT 99491.
This makes accurate staff-level time tracking important when multiple people contribute to the patient's monthly CCM service.
Both Standard and Complex CCM Require a Comprehensive Care Plan
CMS requires an electronic, patient-centered comprehensive care plan for both standard and complex CCM.
The plan may include:
- Problem list
- Expected outcomes and prognosis
- Measurable treatment goals
- Medication management
- Planned interventions
- Functional and cognitive needs
- Psychosocial and environmental factors
- Caregiver involvement
- Coordination with outside practitioners
- Periodic monitoring and revision
Complex CCM Documentation Should Show Why the Service Was Complex
A common compliance risk is assuming that 60 minutes alone supports CPT 99487.
For complex CCM, consider whether the record clearly supports:
- The patient's multiple chronic conditions
- The comprehensive care plan
- At least the required qualifying monthly time
- Moderate- or high-complexity medical decision-making
- Meaningful changes or complexity requiring practitioner involvement
- Care coordination and clinical management actually performed
Sample Complex CCM Documentation
Example: Patient with CHF, CKD, diabetes, and COPD experienced worsening dyspnea following recent discharge. Care team reviewed discharge medications, coordinated cardiology and pulmonology follow-up, reconciled conflicting medication instructions, updated care plan, contacted patient and caregiver, and escalated worsening symptoms to billing practitioner. Total qualifying clinical-staff/practitioner CCM time: 64 minutes. Billing practitioner documented moderate-complexity medical decision-making related to medication management, competing treatment considerations, and worsening chronic disease symptoms.
This type of record is more useful than documenting only: Complex CCM — 64 minutes.
When Standard CCM May Be More Appropriate
CPT 99490 may be more consistent with the documented service when:
- The patient qualifies for CCM
- At least the applicable 20-minute threshold is met
- The patient needs ongoing care coordination
- The monthly service does not reach complex CCM requirements
- Moderate- or high-complexity medical decision-making required for 99487 is not supported
When Complex CCM May Be More Appropriate
CPT 99487 may be considered when:
- The patient meets general CCM eligibility requirements
- The month involves significantly greater care-management intensity
- The qualifying monthly time reaches the complex CCM threshold
- The practitioner performs moderate- or high-complexity medical decision-making
- The documentation clearly supports both the time and complexity
The decision should be based on the actual services furnished rather than anticipated reimbursement.
Can CCM and TCM Be Provided During the Same Period?
CMS's current CCM guidance states that CCM codes 99487, 99489, 99490, and 99491 may be reported for qualifying services furnished during the 30-day Transitional Care Management service period when all applicable requirements are met.
Practices must not count the same time toward multiple billed services.
Can CCM and RPM Be Provided Together?
CMS allows either Remote Physiologic Monitoring or Remote Therapeutic Monitoring to be provided concurrently with CCM when the individual service requirements are satisfied.
Practices should maintain separate documentation and avoid duplicate reporting of the same time or work.
Complex CCM Billing Checklist
- Confirm at least two qualifying chronic conditions.
- Verify the expected duration and clinical risk.
- Confirm patient consent.
- Complete an initiating visit when required.
- Maintain an individualized comprehensive care plan.
- Document qualifying clinical-staff activities.
- Document at least the applicable complex CCM time threshold.
- Document moderate- or high-complexity medical decision-making.
- Identify the practitioner responsible for the medical decision-making.
- Track practitioner and clinical-staff time accurately.
- Do not report standard and complex CCM together for the same calendar month.
- Use 99489 only when the additional-time requirements are supported.
- Avoid duplicate time with other billed services.
Standard CCM Billing Checklist
- Confirm patient eligibility.
- Document consent.
- Maintain a comprehensive care plan.
- Document qualifying monthly activities.
- Reach the applicable 20-minute threshold for CPT 99490.
- Use CPT 99439 only when additional qualifying time is supported.
- Identify who performed each activity.
- Prevent duplicate time reporting.
How ChronicSync Can Help
Determining whether a month supports standard or complex CCM becomes difficult when patient activity, care-plan changes, staff notes, practitioner involvement, and monthly time are spread across disconnected systems.
ChronicSync helps practices organize care-management workflows, track patient activity, maintain structured documentation, and improve visibility into monthly CCM services.
A structured workflow can make it easier to review whether the documentation supports standard CCM, complex CCM, or additional monthly time before billing.
Start your ChronicSync Free Pilot and explore a more organized approach to Chronic Care Management.
Frequently Asked Questions
What is the difference between CPT 99487 and CPT 99490?
CPT 99490 represents standard CCM beginning with 20 minutes of qualifying clinical-staff time. CPT 99487 represents complex CCM beginning with 60 minutes and additionally requires moderate- or high-complexity medical decision-making by the billing practitioner.
Can CPT 99487 and 99490 be billed in the same month?
No. CMS states that non-complex and complex CCM cannot be reported for the same patient during the same calendar month.
What is the add-on code for CPT 99487?
CPT 99489 is the complex CCM add-on code and represents each additional 30 minutes of qualifying clinical-staff time.
What is the add-on code for CPT 99490?
CPT 99439 represents each additional 20 minutes of qualifying standard CCM clinical-staff time.
Does 60 minutes automatically qualify for CPT 99487?
No. Complex CCM also requires moderate- or high-complexity medical decision-making by the physician or other billing practitioner, along with all other applicable requirements.
Do both 99487 and 99490 require two or more chronic conditions?
Yes. Both are CCM services for patients with multiple qualifying chronic conditions that meet Medicare's duration and clinical-risk criteria.
Sources
- CMS Medicare Learning Network: Chronic Care Management Services
- CMS: Chronic Care Management Frequently Asked Questions
This article is for educational purposes only and does not constitute medical, legal, coding, reimbursement, or billing advice. Medicare, CPT, MAC, and commercial-payer requirements may change. Verify current code descriptors and payer rules before submitting claims.