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CPT 84450 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.

Transferase Aspartate Amino (Ast)
Key FactDetail
Service Type

Pathology and Laboratory Procedures

Chemistry Procedures

Common Place of Service

81 - Independent Laboratory

11 - Office

Common Modifiers

None

QW - CLIA Waived Tests

26 - Professional component

Complexity LevelLow

National average reimbursement for CPT 84450 by major payers:

bcbs

$3.87

uhc

$3.68

aetna

$6.38

cigna

$7.83

Preview provider-level rates for...
For billing codeCPT 84450
PayerCodeRateNPITax IDStateSpecialty

Select a payer to view fee schedule data

Choose a payer from the options above to see rates for CPT 84450

United
84450$2.181790057420 - BAMA HEART DOC, P.C., ALABAMA HEART AND VASCULAR MEDICINE451471722 - (AL) BAMA HEART DOC, PC DBA ALABAMA HEART & VASCULAR MEDICINEALInterventional Cardiology Physician (207RI0011X)
United
84450$3.071689663007 - THE GOOD SHEPHERD HOSPITAL, INC., CHRISTUS GOOD SHEPHERD MEDICAL CENTER - LONGVIEW751041154 - (TX) GOOD SHEPHERD HOSPITAL INCTXGeneral Acute Care Hospital (282N00000X)
United
84450$5.171154618742 - VHS HARLINGEN HOSPITAL COMPANY LLC, VALLEY BAPTIST MEDICAL CENTER452662980TXGeneral Acute Care Hospital (282N00000X)
United
84450$5.171144274226 - NAVARRO HOSPITAL LP, NAVARRO REGIONAL HOSPITAL621762428TXGeneral Acute Care Hospital (282N00000X)
United
84450$3.841346611829 - AMARI THOMAS300520570 - (TX) METHODIST HOSPITALTXGeneral Acute Care Hospital (282N00000X)
United
84450$5.171962455816 - CHCA CONROE LP, CONROE REGIONAL MEDICAL CENTER621801361 - (TX) CHCA CONROE LPTXGeneral Acute Care Hospital (282N00000X)
United
84450$4.651396520862 - LAKE SURGICAL HOSPITAL SLIDELL, LLC474228147 - (LA) LAKE SURGICAL HOSPITAL SLIDELL, LLC DBA SOUTHERN SURGICAL HOSPITALLAGeneral Acute Care Hospital (282N00000X)
United
84450$2.971669480323 - KELL WEST REGIONAL HOSPITAL LLC752756307 - KELL WEST REGIONAL HOSPITAL, LLCTXGeneral Acute Care Hospital (282N00000X)
United
84450$5.171770573586 - MCALLEN HOSPITALS L P, SOUTH TEXAS HEALTH SYSTEM233069260TXGeneral Acute Care Hospital (282N00000X)
United
84450$2.181427410240 - BRANDON OKEEFE RAFAELI760459500 - U T PHYSICIANSTXGeneral Acute Care Hospital (282N00000X)
United
84450$6.591407947336 - CLHG-VILLE PLATTE LLC, MERCY REGIONAL MEDICAL CENTER824681222LAGeneral Acute Care Hospital (282N00000X)
United
84450$6.341104819366 - CHILDREN'S HOSPITAL720467503 - CHILDRENS HOSPITAL INCLAChildren's Hospital (282NC2000X)
United
84450$4.211467442418 - NORTHWEST TEXAS HEALTHCARE SYSTEM INC, NORTHWEST TEXAS HEALTHCARE SYSTEM232238976TXGeneral Acute Care Hospital (282N00000X)
United
84450$4.321972590602 - PALO PINTO COUNTY HOSPITAL DISTRICT, PALO PINTO GENERAL HOSPITAL751256948TXGeneral Acute Care Hospital (282N00000X)
United
84450$2.181720033947 - ST. DAVIDS HEALTHCARE PARTNERSHIP, L.P., LLP, HEART HOSPITAL OF AUSTIN743001674 - (TX) LONE STAR CIRCLE OF CARETXGeneral 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 84450 vs. Other Chemistry Procedures Codes

The CPT 84450 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 84450 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
84206-CPTLowProinsulin
84379-CPTLowSugars Multiple Quantitative Each Specimen
84425-CPTLowThiamine, (Vitamin B-1)
84450-CPTLowTransferase Aspartate Amino (Ast)

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 84450. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 84450 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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