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See a sample rate comparisonCPT 82638 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.
Drug Hypersensitivity Test, This Test Evaluates Glycoprotein Pseudocholinesterase A Liver Enzyme. Too Little Of This Enzyme Can Result In Being Unable To Properly Metabolize Certain Drugs.
| Key Fact | Detail |
|---|---|
| Service Type | Pathology and Laboratory Procedures Chemistry Procedures |
| Common Place of Service | 81 - Independent Laboratory 49 - Independent Clinic |
| Common Modifiers | None 90 - Reference Laboratory 26 - Professional component |
| Complexity Level | Low |
| Medicare Fee Schedule | View Medicare rates for 82638 |
| Medicaid Fee Schedule | View Medicaid rates for 82638 |
National average reimbursement for CPT 82638 by major payers:
$10.95
$8.66
$13.29
$18.06
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CPT 82638
5 of 25 sample ratesHigher to lower in this preview
Forest Park Medical Center LLC
$34.50Published rateChristopher Raio
Samaritan Emergency Medical Services PC
$14.55Published rateVhs San Antonio Partners LLC, Baptist Medical Center
$12.25Published rateKnox County Hospital District, Knox County Hospital District
$11.02Published ratePark Place Surgery Center, LLC, Park Place Surgical Hospital
Park Place Surgical Hospital
$4.40Published rate
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Payer Contract Negotiation
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See a sample payer proposalCPT 82638 vs. Other Chemistry Procedures Codes
The CPT 82638 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 82638 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 |
|---|---|---|
| 82384-CPT | Low | Stress Hormone Test, A Lab Test For Catecholamines (Blood Or 24-Hour Urine Sample) Is Often Performed To Help Diagnose An Adrenal Gland Tumor Or Other Condition. Catecholamines Are Stress Response Hormones Such As Epinephrine Norepinephrine And Dopamine. |
| 82528-CPT | Low | Steroid Hormone Test, Corticosterone Is A Steroid Hormone Involved In The Conversion Of Cholesterol To Cortisol In The Adrenal Gland. The Test Helps To Evaluate Adrenal Gland Function. |
| 82533-CPT | Low | Cortisol Hormone Test, This Test Screens For Cushings Syndrome (Too Much Cortisol) And Addisons Disease (Too Little Cortisol). Cortisol Is A Hormone That Plays A Major Role In The Bodys Stress Response. |
| 82638-CPT | Low | Drug Hypersensitivity Test, This Test Evaluates Glycoprotein Pseudocholinesterase A Liver Enzyme. Too Little Of This Enzyme Can Result In Being Unable To Properly Metabolize Certain Drugs. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 82638. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 82638 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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