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CPT 83521 Fee Schedule

Last Verified: January 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.

Immunoglobulin Light Chains (I.E., Kappa, Lambda), Free, Each
Key FactDetail
Service Type

Pathology and Laboratory Procedures

Chemistry Procedures

Common Place of Service

81 - Independent Laboratory

11 - Office

Common Modifiers

None

59 - Distinct Procedural Service

91 - Repeat Lab Test

Complexity LevelLow
Medicare Fee ScheduleView Medicare rates for 83521

National average reimbursement for CPT 83521 by major payers:

bcbs

$13.37

uhc

$10.42

aetna

$17.35

cigna

$55.19

Preview provider-level rates for...
For billing codeCPT 83521
PayerCodeRateNPITax IDStateSpecialty

Select a payer to view fee schedule data

Choose a payer from the options above to see rates for CPT 83521

United
83521$6.031457050106 - PRECISION HEALTHCARE SPECIALISTS, LLC921919591 - (FL) PRECISION HEALTHCARE SPECIALISTS LLCFLOtolaryngology Physician (207Y00000X)
United
83521$7.251124049457 - M HAMOUI451444883 - ACCESS HEALTH CARE PHYSICIANS LLCFLUrology Physician (208800000X)
United
83521$10.351023097623 - ELANA SHACKELFORD811011375 - (FL) MOSKOWITZ DERMATOLOGY MD PLLCFLDermatology Physician (207N00000X)
United
83521$22.791750563243 - MERCEDES GONZALEZ592579938 - UNIVERSITY OF MIAMIFLDermatology Physician (207N00000X)
United
83521$6.901912970344 - EDWARD SALERNO262909414 - MILLENNIUM PHYSICIAN GROUP, LLCFLPulmonary Disease Physician (207RP1001X)
United
83521$30.171174521009 - IMTIAZ AHMAD760386391 - KELSEY-SEYBOLD MEDICAL GROUP PLLCFLPulmonary Disease Physician (207RP1001X)
United
83521$7.251073710323 - MONICA BUESO680498643 - (FL) TAMPA LUNG SPECIALISTS PAFLPulmonary Disease Physician (207RP1001X)
United
83521$8.811205007804 - RISHI RAMLOGAN462021581 - FLORIDA HOSPITAL PHYSICIAN GROUP INCFLSurgery Physician (208600000X)
United
83521$10.351487093316 - COMPREHENSIVE DERMATOLOGY AND DERMATOLOGIC SURGERY, PLC, COMPREHENSIVE DERMATOLOGY AND FACIAL PLASTIC SURGERY271596249 - (FL) COMPREHENSIVE DERMATOLOGY AND DERMATOLOGIC SURGERY PLCFLDermatology Physician (207N00000X)
United
83521$10.351598104176 - SWETHA PATHAK592524839 - (FL) DERMATOLOGY ASSOCIATES OF TALLAHASSEE PAFLDermatology Physician (207N00000X)
United
83521$10.351538588348 - CATHERINE DEGESYS743029994 - (GA) METRODERM PCFLDermatology Physician (207N00000X)
United
83521$7.251841427945 - PRASHANT SUKHARAMWALA593140335 - BAYCARE MEDICAL GROUP INCFLSurgery Physician (208600000X)
United
83521$8.811245768365 - AHMED ALLAWI462021581 - FLORIDA HOSPITAL PHYSICIAN GROUP INCFLColon & Rectal Surgery Physician (208C00000X)
United
83521$8.811336535129 - LUV HAJIRAWALA462021581 - FLORIDA HOSPITAL PHYSICIAN GROUP INCFLSurgery Physician (208600000X)
United
83521$7.251417908013 - SIJO PAREKATTIL843666190 - (FL) AVANT CONCIERGE UROLOGY LLCFLUrology Physician (208800000X)
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 83521 vs. Other Chemistry Procedures Codes

The CPT 83521 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 83521 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
83003-CPTLowGrowth Hormone Human (Somatotropin)
83516-CPTLowImmunoassay For Analyte Other Than Infectious Agent Antibody Or Infectious Agent Antigen; Qualitative Or Semiquantitative, Multiple Step Method
83518-CPTLowImmunoassay For Analyte Other Than Infectious Agent Antibody Or Infectious Agent Antigen; Qualitative Or Semiquantitative, Single Step Method (Eg, Reagent Strip)
83521-CPTLowImmunoglobulin Light Chains (I.E., Kappa, Lambda), Free, Each

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 83521. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 83521 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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