Home sleep study test (hst) with type ii portable monitor, unattended; minimum of 7 channels: eeg, eog, emg, ecg/heart rate, airflow, respiratory effort and oxygen saturation
Code effective Mar 13, 2008
HCPCS Section
Procedures/Professional Services (Temporary Codes)
G0398 is a valid 2026 HCPCS code meaning Home sleep study test (hst) with type ii portable monitor, unattended; minimum of 7 channels: eeg, eog, emg, ecg/heart rate, airflow, respiratory effort and oxygen saturation or (Home sleep test/type 2 porta) for short. HCPCS G0398 has been effective since 03/13/2008 and applies to Diagnostic laboratory.
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HCPCS Level II Code Section G - Procedures/Professional Services (Temporary Codes) |
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| HCPCS Code | G0398 |
|---|---|
| Description |
Long description:
Short description: |
| HCPCS Pricing indicator |
13 - Clinical Lab Fee Schedule - Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)
|
| Multiple pricing indicator |
A - Not applicable as HCPCS priced under one methodology
|
| Coverage code | C - Carrier judgment |
| BETOS2 code | T2D - Other tests - other |
| HCPCS Action code | N - No maintenance for this code |
| Type of service | 5 - Diagnostic laboratory |
| Effective date | Effective Mar 13, 2008 |
| Date added | Added Mar 13, 2008 |
1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).
2 BETOS stands for “Berenson-Eggers Type Of Service”
HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026
CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.