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HCPCS G9423 Fee Schedule

Last Verified: August 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.

Documentation of medical reason for not including pt category, pn category and histologic type [for patient with appropriate exclusion criteria (e.g., metastatic disease, benign tumors, malignant tumors other than carcinomas, inadequate surgical specimens)]
Key FactDetail
Service Type

Procedures / Professional Services

Additional Assorted Quality Measures

Common Place of Service
Common Modifiers
Complexity LevelModerate

National average reimbursement for HCPCS G9423 by major payers:

bcbs

$71.06

uhc

$51.00

aetna

$0.01

cigna

$1.16

Preview provider-level rates for...
For billing codeHCPCS G9423
PayerCodeRateNPITax IDStateSpecialty

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HCPCS G9423 vs. Other Additional Assorted Quality Measures Codes

The HCPCS G9423 code is part of the Procedures / Professional Services services used for Additional Assorted Quality Measures. 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 G9423 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
G9422Low
Primary lung carcinoma resection report documents pt category, pn category and for non-small cell lung cancer, histologic type (e.g., squamous cell carcinoma, adenocarcinoma and not nsclc-nos)
G9423Low
Documentation of medical reason for not including pt category, pn category and histologic type [for patient with appropriate exclusion criteria (e.g., metastatic disease, benign tumors, malignant tumors other than carcinomas, inadequate surgical specimens)]
G9424Low
Specimen site other than anatomic location of lung, is not classified as non-small cell lung cancer or classified as NSCLC-NOS

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including HCPCS G9423. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the G9423 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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