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See a sample rate comparisonHealthcare providers use this code to document and receive reimbursement for visits that address moderate-level medical decision-making, often including multiple diagnoses or prescription management.
| Key Fact | Detail |
|---|---|
| Service Type | Pathology and Laboratory Procedures Therapeutic Drug Assays |
| Common Place of Service | 81 - Independent Laboratory 21 - Inpatient Hospital |
| Common Modifiers | 90 - Reference Laboratory 26 - Professional component |
| Complexity Level | Low |
| Medicare Fee Schedule | $13.76 national lab fee schedule rate (2026) · View Medicare rates for 80186 |
| Medicaid Fee Schedule | $13.59 median of the 8 states in the free preview · View Medicaid rates for 80186 |
National average reimbursement for CPT 80186 by major payers:

$12.20

$14.20

$15.79

$20.63
Choose a payer to see a sample of rates for CPT 80186.
Chu Chen
Merrimack Valley Pediatric Associates, Inc.
Christopher Raio
St Francis Hospital
Prisma Health-Upstate, Prisma Health Op Surgery Patewood
Prisma Health - Upstate
The Good Shepherd Hospital, Inc., Christus Good Shepherd Medical Center - Longview
Good Shepherd Hospital Inc
Brittany Ptachick
Hroa 401k Plan
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Rate Benchmarking
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See a sample payer proposalCPT 80186 vs. Other Therapeutic Drug Assays Codes
The CPT 80186 code is part of the Pathology and Laboratory Procedures services used for Therapeutic Drug Assays. It represents a moderate-complexity encounter and is one of several codes that vary based on time spent, level of medical decision-making, and documentation requirements.
The CPT 80186 code involves more provider time and moderate medical decision-making, unlike lower-level codes that require less time and simpler assessments. It typically includes multiple diagnoses, medication management, or test interpretation, leading to higher reimbursement and more detailed documentation requirements.
| Code | Complexity | Description |
|---|---|---|
| 80178-CPT | Low | Lithium Dosage Assessment, Lithium Is A Naturally Occurring Mineral Used To Treat Bipolar Disorder (Manic-Depression). This Test Helps Determine The Proper Dose For Therapy. |
| 80180-CPT | Low | Medication Monitoring, Mycophenolate Typically Is Used With Other Medicines To Keep The Body From Rejecting An Organ Transplant And Is Also Used To Treat Autoimmune Diseases. Periodic Monitoring Evaluates Dosage Adverse Effects And Interactions With Other Drugs. |
| 80184-CPT | Low | Seizure Medication Monitoring, Lab Blood Test To Ensure Therapeutic Dosing Of Anticonvulsant Drug. Periodic Monitoring Evaluates Dosage Adverse Effects And Interactions With Other Drugs. |
| 80186-CPT | Low | Seizure Medication Monitoring, Lab Blood Test To Ensure Therapeutic Dosing Of Anticonvulsant Drug. Periodic Monitoring Evaluates Dosage Adverse Effects And Interactions With Other Drugs. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 80186. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 80186 fee schedule helps patients estimate costs and providers optimize billing for accurate reimbursements.
Factors that affect fee schedules
Medicare & Medicaid Rates
Government-set reimbursement amounts
Private Insurance Rates
Negotiated rates between providers and insurance companies
Geographic Location
Costs may be higher in urban areas.
Provider Type
Hospital providers may have different rates than private practice.
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