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See a sample rate comparisonCPT 82140 Fee Schedule
Medicare rates as of January 2026
CPT 82140 is classified under Pathology and Laboratory Procedures, in the Chemistry Procedures subgroup.
Ammonia
| Key Fact | Detail |
|---|---|
| Service Type | Pathology and Laboratory Procedures Chemistry Procedures |
| Common Place of Service | 21 - Inpatient Hospital 81 - Independent Laboratory |
| Common Modifiers | 26 - Professional component 90 - Reference Laboratory |
| Complexity Level | Low |
| Medicare Fee Schedule | $14.57 national lab fee schedule rate (2026) · View Medicare rates for 82140 |
| Medicaid Fee Schedule | $13.405 median of the 8 states in the free preview · View Medicaid rates for 82140 |
National average reimbursement for CPT 82140 by major payers:
$12.73
BCBS / Anthem
$10.38
UnitedHealthcare
$16.97
Aetna
$21.48
Cigna
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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 table lists codes related to 82140. Select one to see its fee schedule.
| 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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