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CPT 83521 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.

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

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$6.031306907407 - ABELARDO ARANGO592111544 - (FL) ABELARDO ARANGO MD PAFLSurgery Physician (208600000X)
United
83521$6.031457562159 - LUIS PENA-HERNANDEZ650580501 - (FL) MEDICAL SPECIALISTS OF THE PALM BEACHES INCFLPulmonary Disease Physician (207RP1001X)
United
83521$49.131144259730 - VINCENT BIRD591680273 - FLORIDA CLINICAL PRACTICE ASSOCIATION INCFLUrology Physician (208800000X)
United
83521$7.251114422979 - ANDREA RAMIREZ223891132 - (FL) LUNG ASSOCIATES OF SARASOTA LLCFLPulmonary Disease Physician (207RP1001X)
United
83521$10.351821208778 - JESSICA TUNIS590725553 - (FL) ADVENTIST HEALTH SYSTEM-SUNBELT INCFLSurgery Physician (208600000X)
United
83521$7.251144315821 - MARK MATHIESON812807385 - (FL) STERLING PLASTIC & RECONSTRUCTIVE SURGEONS, P.A.FLDermatology Physician (207N00000X)
United
83521$8.811245768365 - AHMED ALLAWI462021581 - FLORIDA HOSPITAL PHYSICIAN GROUP INCFLColon & Rectal Surgery Physician (208C00000X)
United
83521$7.251376689232 - SURGICAL ASSOCIATES OF VENICE AND ENGLEWOOD, PA591362995 - (FL) SURGICAL ASSOCIATES OF VENICE AND ENGLEWOOD PAFLSurgery Physician (208600000X)
United
83521$7.251235450479 - ILYA LIM592949132 - (FL) DOUGLAS K PIERCE MD PAFLDermatology Physician (207N00000X)
United
83521$7.251871771337 - MONICA K BEDI MD PA, DERMATOLOGY ASSOCIATES OF SARASOTA460494983 - (FL) MONICA K BEDI MD PAFLDermatology Physician (207N00000X)
United
83521$6.031528086717 - ROBERT MERRITT650303665 - (FL) FLORIDA ENT ASSOCIATES INCFLOtolaryngology Physician (207Y00000X)
United
83521$10.351457354490 - JOHN LEONE462021581 - FLORIDA HOSPITAL PHYSICIAN GROUP INCFLSurgery Physician (208600000X)
United
83521$6.031184934325 - DR. RAFAEL R. PORTELA PA591271554 - (FL) DR RAFAEL R PORTELA PAFLOtolaryngology Physician (207Y00000X)
United
83521$7.251437684032 - JEREMY CAUDILL DO821122533 - (FL) JEREMY CAUDILL DOFLSurgery Physician (208600000X)
United
83521$7.251356439855 - CONRAD SIMPFENDORFER650003177 - CLEVELAND CLINIC FLORIDA A NONPROFIT CORPORATIONFLSurgery Physician (208600000X)
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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