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See a sample rate comparisonHCPCS G0400 Fee Schedule
Last Verified: September 2026
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.
Home sleep test (HST) with type IV portable monitor, unattended; minimum of 3 channels
| Key Fact | Detail |
|---|---|
| Service Type | Procedures / Professional Services Sleep Studies, In Home |
| Complexity Level | Low |
| Medicaid Fee Schedule | View Medicaid rates for G0400 |
National average reimbursement for HCPCS G0400 by major payers:
$129.27
$196.65
$161.71
$172.52
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HCPCS G0400
5 of 25 sample ratesHigher to lower in this preview
Christopher Thompson
Head And Neck Associates Of Orange County, Inc.
$158.33Published rateSunil Saini
Head And Neck Associates Of Orange County, Inc.
$87.83Published rateQuang Luu
Head And Neck Associates Of Orange County, Inc.
$87.83Published rateHead And Neck Associates Of Orange County An Incorprate
Head And Neck Associates Of Orange County, Inc.
$70.50Published rateChongjia Chen
Head And Neck Associates Of Orange County, Inc.
$70.50Published rate
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Payer Contract Negotiation
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See a sample payer proposalHCPCS G0400 vs. Other Sleep Studies, In Home Codes
The HCPCS G0400 code is part of the Procedures / Professional Services services used for Sleep Studies, In Home. 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 G0400 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.
| Code | Complexity | Description |
|---|---|---|
| G0399-HCPCS | Low | Home sleep test (HST) with type III portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation |
| G0400-HCPCS | Low | Home sleep test (HST) with type IV portable monitor, unattended; minimum of 3 channels |
| G0402-HCPCS | Low | Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of Medicare enrollment |
What is a fee schedule?
A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including HCPCS G0400. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.
Understanding the G0400 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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