CPT 84590 Fee Schedule
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 Fact | Detail |
|---|---|
| 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 Level | Low |
| Medicare Fee Schedule | View Medicare rates for 84590 |
| Medicaid Fee Schedule | View Medicaid rates for 84590 |
National average reimbursement for CPT 84590 by major payers:

$10.15

$8.34

$13.93

$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.
| Code | Complexity | Description |
|---|---|---|
| 84466-CPT | Low | 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-CPT | Low | 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-CPT | Low | 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-CPT | Low | 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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