CPT 84520 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 91 - Repeat Lab Test QW - CLIA Waived Tests |
| Complexity Level | Low |
| Medicare Fee Schedule | View Medicare rates for 84520 |
| Medicaid Fee Schedule | View Medicaid rates for 84520 |
National average reimbursement for CPT 84520 by major payers:

$3.02

$2.83

$4.84

$5.81
CPT 84520 vs. Other Chemistry Procedures Codes
The CPT 84520 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 84520 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 |
|---|---|---|
| 84478-CPT | Low | Triglycerides, Blood |
| 84484-CPT | Low | Test For Heart Muscle Injury, This Test Of Troponin (Proteins Key To Muscle Contractions) Is Done At Intervals During An Emergency Visit To Help Identify Whether The Heart Muscle Has Been Injured. |
| 84520-CPT | Low | Kidney Function Test, This Test Evaluates Either Blood Or Urine For Urea A Byproduct Of Protein Digestion. Blood Tests Evaluate How Well The Kidneys Filter Waste. Urine Tests Can Identify A Protein Deficiency. |
| 84540-CPT | Low | Kidney Function Test, This Test Evaluates Either Blood Or Urine For Urea A Byproduct Of Protein Digestion. Blood Tests Evaluate How Well The Kidneys Filter Waste. Urine Tests Can Identify A Protein Deficiency. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 84520. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 84520 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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