Home Sleep Study CPT Codes and Procedures 95811, G0399, 95803

Sleep disorders affect a significant portion of the population, and diagnosing and treating these conditions requires thorough evaluation through sleep studies. Home sleep studies offer a convenient and cost-effective alternative to in-lab sleep studies. In this comprehensive guide, we will explore the various CPT codes associated with home sleep studies, providing detailed descriptions, procedures, and billing guidelines to ensure accurate coding and billing practices.

1. Understanding Home Sleep Study CPT Codes:

1.1 CPT Code 95811: 

This code is used for home sleep studies and includes the recording and analysis of at least four channels of data, such as respiratory effort, airflow, ECG/heart rate, and oxygen saturation.

1.2 CPT Code G0399:

 This code is specific to type III portable monitor home sleep studies. It requires a minimum of four channels, including two respiratory movement/airflow channels, one ECG/heart rate channel, and one oxygen saturation channel.

1.3 CPT Code G0400:

This code is used for type IV portable monitor home sleep studies, which involve a minimum of three channels.

2. Procedure and Guidelines for Home Sleep Study CPT Codes:

2.1 Conducting a Home Sleep Study:

 Home sleep studies involve the use of portable monitoring devices that patients can use in the comfort of their own homes. These devices record data related to respiratory effort, airflow, ECG/heart rate, and oxygen saturation.

2.2 Equipment Requirements:

 The type of home sleep study and the corresponding CPT code depend on the number of channels and parameters recorded. It is important to ensure that the monitoring device used meets the minimum channel requirements specified for each CPT code.

2.3 Proper Placement and Usage:

 Patients should receive clear instructions on how to apply the monitoring devices and how to properly use them during the sleep study. Technicians should provide guidance to ensure accurate data collection.

2.4 Data Analysis and Interpretation:

 Once the home sleep study is complete, the recorded data needs to be analyzed and interpreted by qualified sleep medicine professionals. They will assess the data to diagnose sleep disorders and recommend appropriate treatments.

3. Billing and Coding Guidelines:

3.1 Medicare Guidelines:

 When billing Medicare for home sleep studies, G codes (G0398, G0399, G0400) are used. Each code corresponds to a specific type of home sleep study with varying channel requirements, as mentioned earlier. It is important to ensure compliance with Medicare reimbursement policies and guidelines.

3.2 Documentation Requirements: 

Accurate and comprehensive documentation is crucial for proper billing and coding. The medical record should include legible signatures, patient identification, and support for the selected ICD-10-CM code. The ordering physician's National Provider Identifier (NPI) must also be indicated on the claim form.

3.3 Split Night Studies: 

In some cases, a split night study may be necessary, where diagnostic testing transitions into a CPAP titration study. In such instances, it is appropriate to bill using CPT code 95811 alone, as it already includes CPT code 95810.

4. Frequently Asked Questions (FAQs):

Q1: What is the difference between CPT codes 95811 and G0399?

A1: CPT code 95811 is a general home sleep study code that requires a minimum of four channels, while G0399 is specific to a type III portable monitor home sleep study, with a minimum of four channels.

Q2: Are additional parameters billed separately in home sleep studies?

A2: No, additional parameters beyond what is included in codes 95782, 95783, 95808, 95810, or 95811 should not be billed separately.

Q3: Can split night studies be billed with CPT code 95810?

A3: No, for split night studies, it is appropriate to bill using CPT code 95811 alone, as it already includes CPT code 95810.


Accurate coding and billing practices are crucial when conducting home sleep studies. This comprehensive guide has provided a detailed overview of home sleep study CPT codes, procedures, and billing guidelines. By following these guidelines, healthcare providers can ensure proper reimbursement, accurate documentation, and efficient management of sleep disorders. Stay up-to-date with the latest guidelines and regulations to optimize the care provided to patients experiencing sleep-related issues.


1. American Academy of Sleep Medicine - Sleep Medicine Codes [1]

2. Billing and Coding: Polysomnography and Sleep Testing - Centers for Medicare & Medicaid Services [2]

3. Sleep Studies, In Home HCPCS Code range G0398-G0400 - AAPC [3]