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See a sample rate comparisonCPT 84591 Fee Schedule
Last Verified: October 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.
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.
| Key Fact | Detail |
|---|---|
| Service Type | Pathology and Laboratory Procedures Chemistry Procedures |
| Common Place of Service | 81 - Independent Laboratory 11 - Office |
| Common Modifiers | 59 - Distinct Procedural Service 90 - Reference Laboratory |
| Complexity Level | Low |
| Medicare Fee Schedule | $17.06 national lab fee schedule rate (2026) · View Medicare rates for 84591 |
| Medicaid Fee Schedule | $15.695 median of the 8 states in the free preview · View Medicaid rates for 84591 |
National average reimbursement for CPT 84591 by major payers:
$13.50
$12.88
$18.57
$24.00
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CPT 84591
5 of 25 sample ratesHigher to lower in this preview
Kristine Twomey
Neuroscience Group Of Northeast Wisconsin, S.C.
$42.02Published rateWaccamaw Community Hospital, Tidelands Waccamaw Community Hospital
Waccamaw Community Hospital
$17.05Published rateEmerus Bhs Sa Thousand Oaks, LLC, Baptist Neighborhood Hospital Westover Hills
Emerus Bhs Sa Thousand Oaks LLC
$17.05Published rateOconee Medical Center
Prisma Health - Upstate
$15.35Published rateSt Davids Healthcare Partnership Lp LLP, Round Rock Medical Center
Lone Star Circle Of Care
$7.17Published rate
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See a sample payer proposalCPT 84591 vs. Other Chemistry Procedures Codes
The CPT 84591 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 84591 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 |
|---|---|---|
| 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. |
| 84597-CPT | Low | Vitamin K |
| 84681-CPT | Low | Pancreas Insulin Test, For A Recent Diagnosis Of Diabetes Type I Or Ii The C-Peptide Test Can Accurately Determine How Much Insulin The Pancreas Is Manufacturing. This Test Can Also Assess The Severity Of Hypoglycemia (Low Blood Sugar). |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 84591. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 84591 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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