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CPT 84066 Fee Schedule

Last Verified: September 2026

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 FactDetail
Service Type

Pathology and Laboratory Procedures

Chemistry Procedures

Common Place of Service

81 - Independent Laboratory

11 - Office

Common Modifiers

None

90 - Reference Laboratory

PO - Services, procedures and/or surgeries furnished at off-campus provider-based outpatient departments

Complexity LevelLow
Medicare Fee ScheduleView Medicare rates for 84066
Medicaid Fee ScheduleView Medicaid rates for 84066

National average reimbursement for CPT 84066 by major payers:

bcbs

$8.60

uhc

$6.90

aetna

$11.04

cigna

$14.30

CPT 84066 vs. Other Chemistry Procedures Codes

The CPT 84066 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 84066 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.

CodeComplexityDescription
84060-CPTLow
Acid Phosphatase Test, Acid Phosphatase Is An Enzyme That Frees Phosphates During Digestion. It Is Found In Organs And The Blood. Testing For Levels Is Useful In Assessing Cancers Affecting Skeletal Muscle Leukemia And In Staging Prostate Cancer.
84066-CPTLow
Prostate Enzyme Test, This Test Screens Men For Prostatic Acid Phosphatase An Enzyme Found In The Blood That Is Associated With Prostate Cancer.
84152-CPTLow
Prostate Test (Psa), Prostate Specific Antigen (Psa) Tests Include: Complex Psa Which Attaches To A Protein And Is Easiest To Measure. Free Psa Helps Calculate The Relative Severity Of A Condition. Total Psa Helps Monitor Treatment After A Biopsy Or Prostate Removal.
84153-CPTLow
Prostate Test (Psa), Prostate Specific Antigen (Psa) Tests Include: Complex Psa Which Attaches To A Protein And Is Easiest To Measure. Free Psa Helps Calculate The Relative Severity Of A Condition. Total Psa Helps Monitor Treatment After A Biopsy Or Prostate Removal.

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 84066. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 84066 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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