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HCPCS G9143 Fee Schedule

Last Verified: December 2025

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.

Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)
Key FactDetail
Service Type

Procedures / Professional Services

Warfarin Responsiveness Testing

Complexity LevelLow

National average reimbursement for HCPCS G9143 by major payers:

bcbs

$116.74

uhc

$84.14

aetna

$147.48

cigna

$105.27

Preview provider-level rates for...
For billing codeHCPCS G9143
PayerCodeRateNPITax IDStateSpecialty

Select a payer to view fee schedule data

Choose a payer from the options above to see rates for HCPCS G9143

United
G9143$120.721396769964 - JULIE WEBSTER853861695 - MUSC COMMUNITY PHYSICIANSSCBody Imaging Physician (2085B0100X)
United
G9143$35.341932229853 - MANLIO GOETZL560583151 - SCOTLAND MEMORIAL HOSPITAL INCORPORATEDNCUrology Physician (208800000X)
United
G9143$50.701013553197 - AMY MOORE451471722 - (AL) BAMA HEART DOC, PC DBA ALABAMA HEART & VASCULAR MEDICINEALAcute Care Nurse Practitioner (363LA2100X)
United
G9143$50.701851400485 - GEORGE HEMSTREET451471722 - (AL) BAMA HEART DOC, PC DBA ALABAMA HEART & VASCULAR MEDICINEALInterventional Cardiology Physician (207RI0011X)
United
G9143$60.361457345910 - BRADLEY SMITH561079264 - EMERGEORTHO, P.A.NCOrthopaedic Surgery Physician (207X00000X)
United
G9143$50.701790057420 - BAMA HEART DOC, P.C., ALABAMA HEART AND VASCULAR MEDICINE451471722 - (AL) BAMA HEART DOC, PC DBA ALABAMA HEART & VASCULAR MEDICINEALInterventional Cardiology Physician (207RI0011X)
United
G9143$60.361457345910 - BRADLEY SMITH561079264 - EMERGEORTHO, P.A.NCOrthopaedic Surgery Physician (207X00000X)
United
G9143$72.431932229853 - MANLIO GOETZL560942061 - (NC) PINEHURST SURGICAL CLINIC, P.A.NCUrology Physician (208800000X)
United
G9143$265.571073502985 - CHU CHEN42484572 - (MA) MERRIMACK VALLEY PEDIATRIC ASSOCIATES, INC.MAPediatrics Physician (208000000X)
United
G9143$35.341932229853 - MANLIO GOETZL560583151 - SCOTLAND MEMORIAL HOSPITAL INCORPORATEDNCUrology Physician (208800000X)
United
G9143$50.701790057420 - BAMA HEART DOC, P.C., ALABAMA HEART AND VASCULAR MEDICINE451471722 - (AL) BAMA HEART DOC, PC DBA ALABAMA HEART & VASCULAR MEDICINEALInterventional Cardiology Physician (207RI0011X)
United
G9143$132.781396769964 - JULIE WEBSTER853861695 - MUSC COMMUNITY PHYSICIANSSCBody Imaging Physician (2085B0100X)
United
G9143$84.941396769964 - JULIE WEBSTER571049603 - (SC) CAROLINA RADIOLOGY ASSOCIATES, LLCSCBody Imaging Physician (2085B0100X)
United
G9143$132.781396769964 - JULIE WEBSTER853861695 - MUSC COMMUNITY PHYSICIANSSCBody Imaging Physician (2085B0100X)
United
G9143$156.941720079270 - FAKHIR ELMASRI592579847 - (FL) UNIVERSITY OF MIAMIFLVascular & Interventional Radiology Physician (2085R0204X)
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist

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HCPCS G9143 vs. Other Warfarin Responsiveness Testing Codes

The HCPCS G9143 code is part of the Procedures / Professional Services services used for Warfarin Responsiveness Testing. 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 HCPCS G9143 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.

CodeComplexityDescription
G9140-HCPCSLowFrontier extended stay clinic demonstration; for a patient stay in a clinic approved for the CMS demonstration project; the following measures should be present: the stay must be equal to or greater than 4 hours; weather or other conditions must prevent transfer or the case falls into a category of monitoring and observation cases that are permitted by the rules of the demonstration; there is a maximum frontier extended stay clinic (FESC) visit of 48 hours, except in the case when weather or other conditions prevent transfer; payment is made on each period up to 4 hours, after the first 4 hours
G9143-HCPCSLowWarfarin responsiveness testing by genetic technique using any method, any number of specimen(s)
G9147-HCPCSLowOutpatient intravenous insulin treatment (OIVIT) either pulsatile or continuous, by any means, guided by the results of measurements for: respiratory quotient; and/or, urine urea nitrogen (UUN); and/or, arterial, venous or capillary glucose; and/or potassium concentration

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including HCPCS G9143. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the G9143 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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