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See a sample rate comparisonCPT 84479 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.
Thyroid Hormone Test, This Test Measures The Thyroid Glands Ability To Use Hormones By Detecting The Ratio Of Binding Protein (Tbg) To T3 Hormone. The Ratio Shows Whether The Thyroid Gland Is Over- Or Underactive.
| 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 26 - Professional component |
| Complexity Level | Low |
| Medicare Fee Schedule | $6.47 national lab fee schedule rate (2026) · View Medicare rates for 84479 |
| Medicaid Fee Schedule | $6.39 median of the 8 states in the free preview · View Medicaid rates for 84479 |
National average reimbursement for CPT 84479 by major payers:
$5.45
$4.54
$7.48
$9.46
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CPT 84479
5 of 25 sample ratesHigher to lower in this preview
Christopher Raio
Mercy Medical Center
$12.33Published rateChristopher Raio
St Francis Hospital
$8.54Published rateMedical University Hospital Authority, Musc Health Marion Medical Center
Medical University Hospital Authority
$6.46Published rateSunrise Home Health Care Inc.
Sunrise Home Health Care Inc
$3.61Published rateSt. Davids Healthcare Partnership, L.P., LLP, Heart Hospital Of Austin
Lone Star Circle Of Care
$2.72Published rate
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Payer Contract Negotiation
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See a sample payer proposalCPT 84479 vs. Other Chemistry Procedures Codes
The CPT 84479 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 84479 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 |
|---|---|---|
| 84479-CPT | Low | Thyroid Hormone Test, This Test Measures The Thyroid Glands Ability To Use Hormones By Detecting The Ratio Of Binding Protein (Tbg) To T3 Hormone. The Ratio Shows Whether The Thyroid Gland Is Over- Or Underactive. |
| 84480-CPT | Low | Thyroid Hormone Test, This Test Indicates How Well The Hormone T3 Is Being Used. Total T3 Is A General Indicator Of Thyroid Gland Disorders Such As An Overactive Thyroid Gland. |
| 84481-CPT | Low | Thyroid Hormone Test, This Test Indicates How Well The Hormone T3 Is Being Used. Total T3 Is A General Indicator Of Thyroid Gland Disorders Such As An Overactive Thyroid Gland. |
| 84482-CPT | Low | Thyroid Hormone Test, Reverse T3 Levels Increase When Thyroid Tests Are Abnormal But There Is No Actual Thyroid Gland Disorder. This Condition Is Called Euthyroid (Sick Thyroid Syndrome) And It Comes From Serious Illnesses Injuries Starvation Or Nutrition Deficiencies. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 84479. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 84479 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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