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HCPCS G9140 Fee Schedule

Last Verified: September 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.

Frontier 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
Key FactDetail
Service Type

Procedures / Professional Services

Medicare Demonstration Projects

Common Place of Service
Common Modifiers
Complexity LevelModerate

National average reimbursement for HCPCS G9140 by major payers:

bcbs

$69.97

uhc

$54.00

aetna

$0.51

cigna

$1.16

Preview provider-level rates for...
For billing codeHCPCS G9140
PayerCodeRateNPITax IDStateSpecialty

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HCPCS G9140 vs. Other Medicare Demonstration Projects Codes

The HCPCS G9140 code is part of the Procedures / Professional Services services used for Medicare Demonstration Projects. 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 G9140 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
G9139High
Oncology; disease status; chronic myelogenous leukemia, limited to Philadelphia chromosome positive and/or BCR-ABL positive; extent of disease unknown, staging in progress, not listed (for use in a Medicare-approved demonstration project)
G9140Low
Frontier 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
G9143Low
Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including HCPCS G9140. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the G9140 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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