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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 | 26 - Professional component 90 - Reference Laboratory |
| Complexity Level | Low |
| Medicare Fee Schedule | $6.61 national lab fee schedule rate (2026) · View Medicare rates for 80178 |
| Medicaid Fee Schedule | $6.525 median of the 8 states in the free preview · View Medicaid rates for 80178 |
National average reimbursement for CPT 80178 by major payers:

$6.05

$4.75

$8.00

$9.90
Choose a payer to see a sample of rates for CPT 80178.
St. Luke'S Community Health Services, St. Luke'S The Woodlands Hospital
St Lukes Community Health Services
Scurry County Hospital District, Cogdell Memorial Hospital
Scurry County Hospital District
Crescent City Surgical Centre Operating Company, L.L.C.
Crescent City Surgical Centre
Lafayette Surgical Hospital LLC, Lafayette Surgical Specialty Hospital
Lafayette Surgical Specialty Hospital
Hospital Service District Of The Parish Of St. Bernard, State Of Louis, St. Bernard Parish Hospital
Hospital Service District Of The Parish Of St Bernard State Of Louis
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Rate Benchmarking
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See a sample rate comparisonPayer Contract Negotiation
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See a sample payer proposalCPT 80178 vs. Other Therapeutic Drug Assays Codes
The CPT 80178 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 80178 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. |
| 80179-CPT | Low | Aspirin Therapy Monitoring, This Test Measures The Therapeutic Level Of Aspirin (A Class Of Nonsteroidal Anti-Inflammatory Drugs (Nsaids)). Blood Concentration Levels May Be Monitored When Aspirin Is Taken Long-Term For Therapy Or If Overdose Is Suspected. |
| 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. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 80178. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 80178 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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