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See a sample rate comparisonCPT 82140 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.
Ammonia
| Key Fact | Detail |
|---|---|
| Service Type | Pathology and Laboratory Procedures Chemistry Procedures |
| Common Place of Service | 21 - Inpatient Hospital 81 - Independent Laboratory |
| Common Modifiers | None 26 - Professional component 90 - Reference Laboratory |
| Complexity Level | Low |
| Medicare Fee Schedule | View Medicare rates for 82140 |
| Medicaid Fee Schedule | View Medicaid rates for 82140 |
National average reimbursement for CPT 82140 by major payers:
$12.73
$10.38
$16.97
$21.48
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CPT 82140
5 of 25 sample ratesHigher to lower in this preview
Rachel Niec
Memorial Gastroenterology Group
$55.52Published rateAri Bunim
$13.84Published rateCharles Oliner
Ahava Medical And Rehabilitation Center LLC
$8.92Published rateJanie Yang
New York Gastroenterology Associates, LLP
$7.82Published rateDavid Milkes
Gastrointestinal Care Of Long Is
$5.19Published rate
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Payer Contract Negotiation
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See a sample payer proposalCPT 82140 vs. Other Chemistry Procedures Codes
The CPT 82140 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 82140 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 |
|---|---|---|
| 82135-CPT | Low | Aminolevulinic Acid, Delta (Ala) |
| 82140-CPT | Low | Ammonia |
| 82172-CPT | Low | Cholesterol Protein Test, Apolipoproteins And Lipoproteins Influence Cholesterol. Apolipoproteins Help Manage Fats And Proteins And Can Be Influenced By Genetics. Lipoproteins Help Build Cell And Tissue Structures. |
| 82310-CPT | Low | Calcium Lab Test, This Test Measures Calcium Levels Which Helps In Diagnosing Some Conditions Such As Parathryoid Disease Bone Disorders And Chronic Renal Disease. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 82140. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 82140 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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