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CPT 84590 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

26 - Professional component

Complexity LevelLow
Medicare Fee ScheduleView Medicare rates for 84590
Medicaid Fee ScheduleView Medicaid rates for 84590

National average reimbursement for CPT 84590 by major payers:

bcbs

$10.15

uhc

$8.34

aetna

$13.93

cigna

$17.04

CPT 84590 vs. Other Chemistry Procedures Codes

The CPT 84590 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 84590 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
84466-CPTLow
Iron Protein Test, The Test Measures Levels Of Transferrin A Blood Protein Designed To Carry Iron. Because The Protein Is Made In The Liver Transferrin Amounts Change With Liver Disease Or Nutrition Problems.
84588-CPTLow
Antidiuretic Hormone Test, The Antidiuretic Hormone (Adh) Test Evaluates The Ability Of The Kidneys To Help Regulate The Volume Of Water In The Body.
84590-CPTLow
Vitamin A (Retinol) Test, This Blood Test Measures The Amount Of Vitamin A Present. The Purpose Is To Verify A Vitamin A Deficiency Or Toxicity (Excess).
84591-CPTLow
Vitamin Testing, This Is Either A Blood Or Urine Test That Analyzes The Sample For A Specific Vitamin. These Tests Are Done To Assess Deficiencies Primarily. They May Also Identify Excess Amounts Being Stored Or Excreted.

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 84590. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 84590 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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