CPT 84466 Fee Schedule
Healthcare 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 Chemistry Procedures |
| Common Place of Service | 81 - Independent Laboratory 11 - Office |
| Common Modifiers | None 26 - Professional component 90 - Reference Laboratory |
| Complexity Level | Low |
| Medicare Fee Schedule | View Medicare rates for 84466 |
| Medicaid Fee Schedule | View Medicaid rates for 84466 |
National average reimbursement for CPT 84466 by major payers:

$10.80

$13.19

$14.99

$18.36
CPT 84466 vs. Other Chemistry Procedures Codes
The CPT 84466 code is part of the Pathology and Laboratory Procedures services used for Chemistry Procedures. 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 84466 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 |
|---|---|---|
| 84466-CPT | Low | Iron Protein Test, The Test Measures Levels Of Transferrin A Blood Protein Designed To Carry Iron. Because The Protein Is Made In The Liver Transferrin Amounts Change With Liver Disease Or Nutrition Problems. |
| 84478-CPT | Low | Triglycerides, Blood |
| 84510-CPT | Low | Tyrosine Testing, Tyrosine Testing Helps To Identify A Number Of Conditions Associated With Hormones And The Glands That Use Them. Tyrosine Is Involved With The Stress Response As Well As Regulation Of Blood Pressure And Body Temperature. |
| 84586-CPT | Low | Pancreas Islet Cell Tumor Test, The Test Identifies Secretions Of Vasoactive Intestinal Peptide (Vip) Which Can Cause Watery Diarrhea Low Potassium And Low Levels Of Stomach Acid. Vip Is Secreted By Tumors Of The Pancreas Islet Cells. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 84466. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 84466 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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