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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 22 - On Campus Outpatient Hospital |
| Common Modifiers | 90 - Reference Laboratory 26 - Professional component |
| Complexity Level | Low |
| Medicare Fee Schedule | $13.25 national lab fee schedule rate (2026) · View Medicare rates for 80183 |
| Medicaid Fee Schedule | $13.085 median of the 8 states in the free preview · View Medicaid rates for 80183 |
National average reimbursement for CPT 80183 by major payers:

$11.73

$9.60

$14.82

$41.23
Choose a payer to see a sample of rates for CPT 80183.
Kelley Parnell
Neuroscience Group Of Northeast Wisconsin, S.C.
Chu Chen
Merrimack Valley Pediatric Associates, Inc.
Our Lady Of Lourdes Regional Medical Center,Inc
Our Lady Of Lourdes Regional Medical Center Inc
Prisma Health-Upstate, Prisma Health Cancer Inst-Seneca
Prisma Health - Upstate
Brittany Ptachick
Hroa 401k Plan
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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 80183 vs. Other Therapeutic Drug Assays Codes
The CPT 80183 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 80183 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 |
|---|---|---|
| 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. |
| 80181-CPT | Low | Flecainide Monitoring, This Test Measures The Therapeutic Level Of Flecainide Present In Blood And Urine Samples. Flecainide Is Typically Used To Prevent And Treat Abnormally Fast Heart Rates. |
| 80183-CPT | Low | Medication Monitoring, Oxcarbazepine Typically Is Used To Treat Seizures Caused By Epilepsy. Periodic Monitoring Evaluates Dosage Adverse Effects And Interactions With Other Drugs. |
| 80187-CPT | Low | Posaconazole, A Lab Test For Posaconazole. This Drug Is Typically Used To Treat Or Prevent Fungal Infections. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 80183. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 80183 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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