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CPT 86666 Fee Schedule

Last Verified: December 2025

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.

Antibody; Ehrlichia
Key FactDetail
Service Type

Pathology and Laboratory Procedures

Immunology Procedures

Common Place of Service

81 - Independent Laboratory

11 - Office

Common Modifiers

None

59 - Distinct Procedural Service

90 - Reference Laboratory

Complexity LevelLow

National average reimbursement for CPT 86666 by major payers:

bcbs

$9.13

uhc

$7.34

aetna

$11.94

cigna

$15.48

Preview provider-level rates for...
For billing codeCPT 86666
PayerCodeRateNPITax IDStateSpecialty

Select a payer to view fee schedule data

Choose a payer from the options above to see rates for CPT 86666

United
86666$10.181184911877 - VHS BROWNSVILLE HOSPITAL COMPANY LLC, VALLEY BAPTIST MEDICAL CENTER - BROWNSVILLE452663071TXGeneral Acute Care Hospital (282N00000X)
United
86666$3.661568848059 - CUMBERLAND SURGICAL HOSPITAL OF SAN ANTONIO LLC, LEGENT ORTHOPEDIC & SPINE474612520TXGeneral Acute Care Hospital (282N00000X)
United
86666$10.181205307378 - CHEROKEE MEDICAL CENTER, CMC WOUND SERVICES832531807SCGeneral Acute Care Hospital (282N00000X)
United
86666$5.961457358103 - BELLVILLE HOSPITAL DISTRICT, BELLVILLE GENERAL HOSPITAL760636528TXGeneral Acute Care Hospital (282N00000X)
United
86666$10.181699726406 - COLUMBIA MEDICAL CENTER OF PLANO SUBSIDIARY LP, MEDICAL CITY PLANO621682203TXGeneral Acute Care Hospital (282N00000X)
United
86666$10.181831970532 - VHS SAN ANTONIO PARTNERS, LLC760714523TXGeneral Acute Care Hospital (282N00000X)
United
86666$5.961457358103 - BELLVILLE HOSPITAL DISTRICT, BELLVILLE GENERAL HOSPITAL274005511 - BELLVILLE MEDICAL CENTERTXGeneral Acute Care Hospital (282N00000X)
United
86666$10.181659323772 - COLUMBIA PLAZA MEDICAL CENTER OF FORT WORTH SUBSIDIARY LP, MEDICAL CITY FORT WORTH621682202 - (TX) COLUMBIA PLAZA MEDICAL CENTER OF FORT WORTH SUBSIDIARY LPTXGeneral Acute Care Hospital (282N00000X)
United
86666$10.181578568481 - SLIDELL MEMORIAL HOSPITAL, ST TAMMANY PARISH HOSPITAL SERVICE DISTRICT #2726014895 - (LA) SLIDELL MEMORIAL HOSPITALLAGeneral Acute Care Hospital (282N00000X)
United
86666$10.181033165501 - METHODIST HOSPITALS OF DALLAS, METHODIST RICHARDSON MEDICAL CENTER750800661 - METHODIST HOSPITALS OF DALLASTXGeneral Acute Care Hospital (282N00000X)
United
86666$14.221932729803 - DALLAS VAMC756108647TXGeneral Acute Care Hospital (282N00000X)
United
86666$10.181902857766 - COLUMBIA MEDICAL CENTER OF LAS COLINAS INC, MEDICAL CITY LAS COLINAS621650582 - (TX) COLUMBIA MEDICAL CENTER OF LAS COLINAS INCTXGeneral Acute Care Hospital (282N00000X)
United
86666$5.821508199621 - SERGE LARTCHENKO M.D., PLLC270839735 - (TX) SERGE LARTCHENKO MD PLLCTXGeneral Acute Care Hospital (282N00000X)
United
86666$10.181376591941 - HOSPITAL SERVICE DISTRICT 1 OF EAST BATON ROUGE PARISH, LANE REGIONAL MEDICAL CENTER726015227LAGeneral Acute Care Hospital (282N00000X)
United
86666$10.181003344334 - HCN EP HORIZON CITY, LLC, THE HOSPITALS OF PROVIDENCE HORIZON CITY CAMPUS813935393 - (TX) HCN EP HORIZON CITY LLCTXGeneral Acute Care Hospital (282N00000X)
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist

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CPT 86666 vs. Other Immunology Procedures Codes

The CPT 86666 code is part of the Pathology and Laboratory Procedures services used for Immunology 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 86666 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
86663-CPTLowAntibody Epstein-Barr Virus Early
86664-CPTLowAntibody Epstein-Barr Virus Nuclear
86665-CPTLowAntibody Epstein-Barr Virus Capsid
86666-CPTLowAntibody; Ehrlichia

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 86666. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 86666 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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