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See a sample rate comparisonCPT 85635 Fee Schedule
Medicare rates as of January 2026
CPT 85635 is classified under Pathology and Laboratory Procedures, in the Hematology and Coagulation Procedures subgroup.
Blood Clotting Test With Venom, Test To Determine The Amount Of Time It Takes For Blood To Clot. The Test Uses An Enzyme That Is Found In Snake Venom.
| Key Fact | Detail |
|---|---|
| Service Type | Pathology and Laboratory Procedures Hematology and Coagulation Procedures |
| Common Place of Service | 81 - Independent Laboratory 21 - Inpatient Hospital |
| Common Modifiers | 26 - Professional component 90 - Reference Laboratory |
| Complexity Level | Low |
| Medicare Fee Schedule | $9.85 national lab fee schedule rate (2026) · View Medicare rates for 85635 |
| Medicaid Fee Schedule | $9.725 median of the 8 states in the free preview · View Medicaid rates for 85635 |
National average reimbursement for CPT 85635 by major payers:
$8.91
BCBS / Anthem
$6.93
UnitedHealthcare
$11.46
Aetna
$14.79
Cigna
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CPT 85635
5 of 25 sample ratesHigher to lower in this preview
All Ways Homecare Inc
$60.00Published rateEastland Memorial Hospital District, Eastland Memorial Hospital
$11.81Published rateHcn Ep Horizon City, LLC, The Hospitals Of Providence Horizon City Campus
Hcn Ep Horizon City LLC
$9.85Published rateChristopher Raio
Good Samaritan Hosptial Medical Center
$5.91Published rateCumberland Surgical Hospital Of San Antonio LLC, Legent Orthopedic & Spine
$3.54Published rate
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See a sample payer proposalCPT 85635 vs. Other Hematology and Coagulation Procedures Codes
The table lists codes related to 85635. Select one to see its fee schedule.
| Code | Complexity | Description |
|---|---|---|
| 85610-CPT | Low | Test Prothrombin Clotting Time, The Prothrombin Time Test Measures How Well Blood Clots. The Test Commonly Assesses The Effectiveness Of Drugs For Thinning Blood Or Preventing Clots. The Test Also Detects Deficiencies In The Proteins Necessary For Clotting. |
| 85611-CPT | Low | Test Prothrombin Clotting Time, The Prothrombin Time Test Measures How Well Blood Clots. The Test Commonly Assesses The Effectiveness Of Drugs For Thinning Blood Or Preventing Clots. The Test Also Detects Deficiencies In The Proteins Necessary For Clotting. |
| 85613-CPT | Low | Russell Viper Venom Time Diluted |
| 85635-CPT | Low | Blood Clotting Test With Venom, Test To Determine The Amount Of Time It Takes For Blood To Clot. The Test Uses An Enzyme That Is Found In Snake Venom. |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 85635. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the 85635 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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