The Collaborative Care Model is the single best-paid integrated behavioral health program Medicare has ever written into the fee schedule. It is also the single most frequently miscoded, under-documented, and clawed-back BH service we see in audit engagements. If your integrated primary care or behavioral health group is billing 99492, 99493, 99494, or G2214 without a time-stamped registry, a named psychiatric consultant, and a defensible monthly time log, you are not running CoCM. You are running a denial pipeline.
This is the 2026 operator’s guide. No theory, no policy cheerleading. Just the codes, the time thresholds, the team requirements, the documentation standards, and the audit methodology that keeps your CoCM revenue from being reversed eighteen months later.
What CoCM Actually Is (and What It Is Not)
The Collaborative Care Model is an evidence-based integrated care program defined by four non-negotiable components: a treating primary care or qualified provider, a behavioral health care manager (BHCM) embedded in the practice, a psychiatric consultant, and a patient registry that tracks outcomes using validated measures such as PHQ-9 or GAD-7. Remove any one of those components and you are not billing CoCM. You are billing fraud.
CoCM is not general BHI (which uses 99484). It is not chronic care management. It is not a therapy program with a consultation bolt-on. It is a specific, measurement-based, registry-driven model where the psychiatric consultant reviews the registry caseload with the BHCM and provides recommendations to the treating provider, who remains the prescriber and the billing entity.
Who Bills CoCM
The treating provider bills. Always. That means the physician, nurse practitioner, physician assistant, or clinical nurse specialist who owns the patient relationship submits 99492, 99493, 99494, and G2214 under their NPI. The BHCM does not bill these codes. The psychiatric consultant does not bill these codes. The billing entity is the primary care or qualified BH treating provider who is coordinating care and receiving consultation.
Code-by-Code Breakdown: 99492, 99493, 99494, G2214
CPT 99492 – Initial Month of CoCM
99492 covers the first calendar month of CoCM services for a given patient. The time threshold is 70 minutes of BHCM and other clinical staff time directed by the treating provider, performed in a calendar month. Required elements include outreach and engagement, initial assessment using validated rating scales, entering the patient into a registry, and initiating a treatment plan in consultation with the psychiatric consultant.
2026 wRVU: approximately 1.88. National Medicare non-facility payment estimate: approximately $160 to $168 depending on final conversion factor. The code is reported once in the initial month and cannot be re-billed unless the patient has been out of CoCM for more than six months and is being re-enrolled.
CPT 99493 – Subsequent Month of CoCM
99493 covers each subsequent calendar month. The time threshold is 60 minutes of BHCM and clinical staff time directed by the treating provider. Required elements include tracking patient progress in the registry, weekly or regular caseload review with the psychiatric consultant, ongoing treatment adjustments, relapse prevention planning, and measurement-based outcome tracking using PHQ-9, GAD-7, or equivalent validated tools.
2026 wRVU: approximately 2.05. National Medicare non-facility payment estimate: approximately $168 to $176. This is the workhorse code. If your monthly 99493 volume is not substantially larger than your 99492 volume, your BHCMs are not retaining patients and your registry is bleeding.
CPT 99494 – Add-On Time Code
99494 is the add-on. It reports each additional 30 minutes of BHCM and clinical staff time in a calendar month, beyond the base time in 99492 or 99493. You cannot report 99494 alone. It always accompanies 99492 or 99493 on the same claim, same month, same patient.
2026 wRVU: approximately 1.00. National Medicare non-facility payment estimate: approximately $82 to $88. Many practices under-report 99494 because their time logs are incomplete. If you are doing real CoCM, you should be billing 99494 on a meaningful percentage of high-acuity patients.
HCPCS G2214 – Brief CoCM Code
G2214 was introduced for lower-intensity months where the full 99492 or 99493 time threshold is not met. It covers the first 30 minutes of BHCM and clinical staff time in a calendar month. The catch: G2214 is mutually exclusive with 99492 and 99493 in the same month for the same patient. You bill one or the other, never both.
2026 wRVU: approximately 0.61. National Medicare non-facility payment estimate: approximately $50 to $56. G2214 is useful for stable maintenance patients, brief re-engagement months, or patients stepping down before CoCM discharge. It should not be your default code. If G2214 outnumbers 99493 in your volume, either your patients are too stable for CoCM or your BHCMs are under-delivering time.
Time Thresholds and How They Are Counted
Time counts only when it is BHCM or clinical staff time directed by the treating provider, performed in a given calendar month. The calendar month boundary is hard. Minutes from October 31 do not roll into November. Minutes must be spent on CoCM-specific activities: registry management, outreach, measurement-based assessments, psychiatric consultant review preparation, treatment plan updates, care coordination with the treating provider, and documented patient contact.
Time does not count when the BHCM is providing a separately billable psychotherapy service (such as 90832 or 90834), when the psychiatric consultant is providing a direct patient evaluation, or when the treating provider is performing an E/M visit. Double-dipping is the fastest path to a clawback.
The Monthly Time Log Requirement
Every CoCM claim must be backed by a time log that shows date, duration, activity type, and the staff member performing the activity. If your EHR cannot produce this log on demand, you cannot defend the claim in an audit. Registry screenshots are not a substitute. A PHQ-9 score from day 12 of the month does not document the other 58 minutes of BHCM time.
The Care Team: BHCM, Psychiatric Consultant, Treating Provider
Behavioral Health Care Manager
The BHCM must have formal education or specialized training in behavioral health. Typical credentials include LCSW, LMFT, LPC, LMHC, RN with behavioral health experience, or a psychologist serving in the care manager role. Medicare does not prescribe a specific license, but the BHCM must be qualified to perform systematic assessments, care management, brief interventions such as behavioral activation or problem-solving therapy, and measurement-based follow-up.
Psychiatric Consultant
The psychiatric consultant must be a medical professional trained in psychiatry and qualified to prescribe psychiatric medications. In practice: psychiatrist MD/DO, psychiatric nurse practitioner, or psychiatric clinical nurse specialist. The consultant reviews the BHCM’s caseload on a regular (typically weekly) basis and provides recommendations to the treating provider. The consultant does not need to see the patient directly unless clinically indicated.
Treating Provider
The treating provider is the billing entity. PCP, internist, NP, PA, OB-GYN, or other qualified specialist who owns the patient’s care. The treating provider orders the CoCM service, receives the psychiatric consultant’s recommendations, and implements medication or treatment changes. This is the prescriber. Without an active treating provider relationship, you cannot bill CoCM.
If your model is missing a designated psychiatric consultant or if your BHCM is operating in a silo without structured consultant review, you are not doing CoCM and you should read our approach to integrated mental health billing services before submitting another claim.
Common Denial Reasons and How to Kill Them
Missing or Unverifiable Time Log
The top denial. Payers ask for time logs during post-payment audit and practices cannot produce them. The fix: enforce a per-patient monthly time log in the EHR with mandatory fields for date, duration, activity, and staff member. No log, no claim.
No Registry or No Measurement-Based Care
If the patient is not on a registry and does not have at least a baseline and follow-up PHQ-9, GAD-7, or equivalent, the claim does not meet the CoCM definition. Commercial payers are increasingly requesting registry documentation on audit. A spreadsheet can qualify as a registry if it captures the required data elements, but a true registry tool is the defensible standard.
Wrong Provider Type Billing
BHCMs or consultants attempting to bill 99492 or 99493 directly. These codes are treating provider codes. The NPI on the claim must match the treating provider who is coordinating care. A psychiatrist billing 99493 on their own NPI for a patient whose PCP is the treating provider is a denial waiting to happen.
Psychiatric Consultant Not Documented
The consultant review must be documented in the patient record with date, consultant name, and recommendations delivered to the treating provider. If your chart does not show consultant involvement, the payer will assume it did not happen.
Same-Month E/M Overlap
CoCM can be billed in the same month as an E/M visit with the treating provider. However, time spent in the E/M encounter does not count toward CoCM minutes. Practices that pad their CoCM time with E/M-eligible activity get caught in audit.
Duplicate Billing with 99484 BHI
99484 (general BHI) and 99492/99493 (CoCM) are mutually exclusive in the same calendar month for the same patient. Pick one. Most practices should default to CoCM when the team structure supports it, because the payment is materially higher.
How to Audit Your Own CoCM Billing
Step 1: Pull a Sample
Random-sample 25 CoCM claims from the last 90 days, stratified across 99492, 99493, 99494, and G2214.
Step 2: Validate the Six Pillars
For each claim, confirm: (1) a documented treating provider order, (2) BHCM identity and credentials, (3) psychiatric consultant review documented in the period, (4) registry entry with at least one validated measure, (5) time log meeting the threshold for the billed code, and (6) no overlapping E/M or 99484 duplication.
Step 3: Score the Failure Rate
Any claim missing any of the six pillars is a fail. A failure rate above 10 percent is a compliance problem that requires immediate remediation. A failure rate above 25 percent means you should self-disclose and reprocess before a payer does it for you.
Step 4: Trend Your Code Mix
Your 99493 volume should be 3 to 5 times your 99492 volume in a mature program. If the ratio is inverted, your patients are not being retained. If G2214 exceeds 99493, your BHCMs are not delivering enough time to justify CoCM at all.
Step 5: Rebill or Refund
Fix the process, then either correct claims inside timely filing or initiate overpayment refunds. Silence is not a strategy.
2026 Policy Changes to Watch
CMS finalized minor technical refinements to CoCM definitions in the 2026 Medicare Physician Fee Schedule, continuing the trajectory of expanding integrated BH payment. Commercial payer adoption of CoCM remains inconsistent. Anthem, UnitedHealthcare, and several BCBS plans recognize the codes. Many state Medicaid programs cover CoCM through managed care organizations with state-specific documentation overlays. Always verify payer-specific CoCM policy before building a multi-payer CoCM program. The Medicare rules are the floor, not the ceiling.
2026 also continues the expansion of CoCM to additional specialty settings, including OB-GYN for perinatal depression and oncology for distress management. If your integrated care footprint is wider than primary care, your CoCM code volume should reflect that.
Frequently Asked Questions
Can a behavioral health practice bill CoCM codes, or only primary care?
CoCM can be billed by any qualified treating provider, including behavioral health prescribers, OB-GYNs, and specialists, so long as they are the patient’s treating provider and the full CoCM team structure (BHCM plus psychiatric consultant) is in place. It is not limited to primary care.
Does the patient have to consent to CoCM?
Yes. Verbal consent is acceptable under Medicare rules and must be documented in the patient record before the first billed month. Consent covers the model of care, the team structure, and any applicable cost-sharing. No consent, no billing.
Can 99492 and 99493 be billed in the same month?
No. 99492 is the initial month code. 99493 is the subsequent month code. They are mutually exclusive for a given patient in a given month. 99494 is the only add-on that pairs with either base code.
What happens if a patient only has 45 minutes of BHCM time in a subsequent month?
The 99493 threshold of 60 minutes is not met, so 99493 cannot be billed. G2214 becomes the appropriate code for that month, since it covers the first 30 minutes of BHCM time. Bill G2214 and document the actual minutes.
Do telehealth CoCM services have different billing rules?
CoCM time performed via telehealth counts toward the monthly thresholds on the same basis as in-person time, provided the patient and the treating provider relationship meet payer telehealth coverage requirements. CMS has maintained broad telehealth parity for CoCM through 2026. Commercial payer rules vary and must be verified per contract.
How long can a patient stay in CoCM?
There is no hard Medicare cap, but the expectation is that CoCM is a time-limited, outcomes-driven intervention. Most patients progress to remission or step-down within 6 to 12 months. Open-ended CoCM enrollment with flat outcome scores is an audit flag.
Stop Leaving CoCM Revenue on the Table
If you are running an integrated behavioral health program and your CoCM revenue per enrolled patient per month is under $150, you are either under-billing, under-staffing your BHCM function, or undercoding 99494. If your denial rate on 99492-99494 and G2214 is above 5 percent, you have a documentation problem, not a payer problem.
Revenant Care builds, audits, and runs CoCM billing programs for integrated primary care, multi-site BH, and specialty practices. We know the codes. We know the payers. We know the difference between a defensible time log and a clawback target. Learn more about our mental health billing services, our broader revenue cycle management approach, and how our technology platform operationalizes CoCM documentation end to end. When you are ready to stop guessing, contact us.