Need help choosing the right code?
Ask CasePilot about procedures, modifiers, bundling, and coding guidance.
Try CasePilot© Copyright 2026 American Medical Association. All rights reserved.
Polysomnography is a comprehensive sleep study that is conducted to assess various sleep disorders in patients, particularly those younger than 6 years old. This procedure involves sleep staging, which is the classification of different sleep phases, and is performed by a trained sleep technologist. The primary goal of polysomnography is to evaluate and diagnose a range of sleep-related issues, including but not limited to sleep apnea, narcolepsy, insomnia, sleepwalking, restless leg syndrome, and other periodic movements that may occur during sleep. The process of sleep staging utilizes several monitoring techniques, including electroencephalography (EEG), which records brain activity through electrodes placed on the scalp, electro-oculography (EOG) to track eye movements, and electromyography (EMG) to measure muscle tone, particularly under the chin. In addition to these core measurements, polysomnography captures four or more additional parameters that provide a comprehensive view of the patient's sleep state. These parameters may include heart rate and rhythm, airflow, respiratory effort, gas exchange metrics through oximetry or other methods, muscle activity, extended EEG monitoring, and other relevant factors such as snoring and body position. The data collected during the study is meticulously analyzed by a physician, who then provides a detailed written interpretation of the results. This thorough evaluation is essential for determining the appropriate treatment and management strategies for the patient's sleep disorder. It is important to note that specific coding is used to differentiate between various types of polysomnography based on the parameters measured and the interventions performed, such as continuous positive airway pressure (CPAP) therapy or bi-level ventilation.
© Copyright 2026 Coding Ahead. All rights reserved.
The procedure of polysomnography is indicated for the evaluation and diagnosis of various sleep disorders in patients younger than 6 years old. The specific conditions for which this procedure may be performed include:
The polysomnography procedure involves several key steps to ensure comprehensive monitoring and accurate data collection. The following procedural steps are performed:
After the completion of the polysomnography, the patient is typically monitored for a brief period to ensure their safety and comfort before discharge. The recorded data is then analyzed by a physician, who interprets the results and prepares a written report detailing the findings. This report is essential for determining the diagnosis and guiding further treatment options. Patients may be advised on follow-up appointments to discuss the results and any necessary interventions based on the findings of the sleep study. Additionally, any specific care instructions or recommendations for managing identified sleep disorders will be provided to the patient and their caregivers.
| Short Descr | POLYSOM <6 YRS CPAP/BILVL | Medium Descr | POLYSOM <6 YRS SLEEP W/CPAP/BILVL VENT 4/> PARAM | Long Descr | Polysomnography; younger than 6 years, sleep staging with 4 or more additional parameters of sleep, with initiation of continuous positive airway pressure therapy or bi-level ventilation, attended by a technologist | Status Code | Active Code | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 1 - Diagnostic Tests for Radiology Services | Multiple Procedures (51) | 0 - No payment adjustment rules for multiple procedures apply. | Bilateral Surgery (50) | 0 - 150% payment adjustment for bilateral procedures does NOT apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 0 - Payment restriction for assistants at surgery applies to this procedure... | Co-Surgeons (62) | 0 - Co-surgeons not permitted for this procedure. | Team Surgery (66) | 0 - Team surgeons not permitted for this procedure. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | APC Status Indicator | Procedure or Service, Not Discounted when Multiple | Type of Service (TOS) | 5 - Diagnostic Laboratory | Berenson-Eggers TOS (BETOS) | T2D - Other tests - other | MUE | 1 | CCS Clinical Classification | 227 - Other diagnostic procedures (interview, evaluation, consultation) |
| 26 | Professional component: certain procedures are a combination of a physician or other qualified health care professional component and a technical component. when the physician or other qualified health care professional component is reported separately, the service may be identified by adding modifier 26 to the usual procedure number. |
|
Date
|
Action
|
Notes
|
|---|---|---|
| 2024-01-01 | Changed | Guideline added. |
| 2013-01-01 | Added | Added |
Get instant expert-level medical coding assistance.