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See a sample rate comparisonCPT 84442 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 Binding Hormone Test, Test Of Thyroxine (T4) A Binding Hormone Needed For Transporting Thyroid Hormone Throughout The Body. The Balance Of T4 And Tbg Is Important For Proper Thyroid Gland Function. The Test Helps Evaluate And Diagnose Thyroid Gland Problems.
| Key Fact | Detail |
|---|---|
| Service Type | Pathology and Laboratory Procedures Chemistry Procedures |
| Common Place of Service | 81 - Independent Laboratory 11 - Office |
| Common Modifiers | 90 - Reference Laboratory 26 - Professional component |
| Complexity Level | Low |
| Medicare Fee Schedule | $14.78 national lab fee schedule rate (2026) · View Medicare rates for 84442 |
| Medicaid Fee Schedule | $14.595 median of the 8 states in the free preview · View Medicaid rates for 84442 |
National average reimbursement for CPT 84442 by major payers:
$13.00
$10.61
$16.91
$21.50
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CPT 84442
5 of 25 sample ratesHigher to lower in this preview
Chu Chen
Merrimack Valley Pediatric Associates, Inc.
$32.52Published rateScurry County Hospital District, Cogdell Memorial Hospital
Scurry County Hospital District
$17.73Published rateHilton Head Health System, L.P., Hilton Head Hospital
$14.77Published rateLake Surgical Hospital Slidell, LLC
Lake Surgical Hospital Slidell, LLC Dba Southern Surgical Hospital
$13.30Published rateBsa Hospital LLC
$6.21Published rate
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See a sample payer proposalCPT 84442 vs. Other Chemistry Procedures Codes
The CPT 84442 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 84442 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 |
|---|---|---|
| 84410-CPT | Low | Testosterone; Bioavailable Direct Measurement (Eg Differential Precipitation). (Reinstated 01/01/2017). Thallium Blood Or Urine (Del 03/31/2003) |
| 84437-CPT | Low | Thyroxine (T-4) Neonatal |
| 84439-CPT | Low | Thyroid Hormone (T4) Test, Test Of The Thyroid Hormone T4. Evaluating T4 Levels Can Confirm An Over- Or Underactive Thyroid Gland. The Balance Of T4 Is Important As It Helps Manage Enzymes That Make Energy For The Body. |
| 84442-CPT | Low | Thyroid Binding Hormone Test, Test Of Thyroxine (T4) A Binding Hormone Needed For Transporting Thyroid Hormone Throughout The Body. The Balance Of T4 And Tbg Is Important For Proper Thyroid Gland Function. The Test Helps Evaluate And Diagnose Thyroid Gland Problems. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 84442. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 84442 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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