Overview: Dandy offers the Herbst and Dorsal appliances as effective, digital-workflow-based alternatives to CPAP for managing mild-to-moderate obstructive sleep apnea (OSA).
Prerequisites
A clinical diagnosis of mild-to-moderate obstructive sleep apnea or a history of snoring.
A digital scan or impression for custom fabrication.
Compare Sleep Apnea Appliances
Dandy uses digital workflows and industry-leading materials to produce two highly accurate anti-snoring devices: the Herbst Appliance and the Dorsal Appliance. These devices advance the mandible to prevent airflow obstruction during sleep.
Understand the Herbst Appliance
The Herbst Appliance is a one-piece construction. It features two adjustment mechanisms located on the buccal (outer) area of the upper and lower portions.
Benefits of the Herbst Appliance
Allows for lateral and vertical movement during sleep.
Offers an adjustable design to incrementally advance the mandible.
Uses minimal acrylic to preserve tongue space for patient comfort.
Qualifies for Medicare coverage.
Herbst Regulatory and Medicare Specifications
FDA Status: 510(k) clearance and Class II FDA approval.
HCPCS Code for PDAC: E0486.
Premarket Submission Number: K103076.
Regulation Number: 872.5570.
Understand the Dorsal Appliance
The Dorsal Appliance is a two-piece design. It uses separate upper and lower acrylic portions that engage via built-in acrylic fins to position the mandible.
Benefits of the Dorsal Appliance
Provides the greatest range of motion and lateral excursion.
Uses a two-part design without metal hinges to improve patient comfort.
Includes advancement screws on the upper portion for precise mandibular positioning.
Dorsal Regulatory Specifications
FDA Status: 510(k) clearance and Class II FDA approval.
Premarket Submission Number: K103076.
Product Code: LRK.
Note: The Dorsal Appliance does not have PDAC approval.
Review Medical and Dental Billing Codes
Insurance providers require specific codes for sleep appliance fabrication and adjustments.
Medical Billing Codes
E0486: Oral device or appliance used to reduce upper airway collapsibility.
Note: The replacement clause for this code varies by insurance provider.
Dental Billing Codes
D9947: Custom sleep appliance fabrication and placement.
D9948: Adjustment of custom sleep apnea appliance.
D9949: Repair of custom sleep appliance.
Review Home Sleep Study Codes
These codes apply to unattended sleep studies using various portable monitors.
CPT Home Sleep Study Codes
95800: Unattended sleep study with heart rate, oxygen saturation, and respiratory analysis.
95801: Unattended sleep study with respiratory analysis.
95806: Unattended sleep study with heart rate, oxygen saturation, respiratory airflow, and effort.
G Home Sleep Study Codes
G0398: Type II portable monitor (minimum 7 channels).
G0399: Type III portable monitor (minimum 4 channels).
G0400: Type IV portable monitor (minimum 3 channels).
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