All codes
E346
E346 – Bone conduction hearing aid insertion - implantable
OHIP Surgical Assists Code — Y. Ocular and Aural Surgical Procedures · Schedule of Benefits
- implantable, including necessary mastoidectomy
When to Use
- Use E346 for the primary surgical insertion of an implantable bone conduction hearing aid, which explicitly includes the required mastoidectomy.
- Do not bill a separate mastoidectomy code (e.g., E340 series) in addition to E346, as the mastoidectomy is considered an included element of this procedure.
Common Pitfalls
- Attempting to unbundle the mastoidectomy component to bill it as a separate surgical procedure will result in a rejection or audit recovery.
- Failing to apply the correct age-based fee premium (e.g., for pediatric patients) when the patient qualifies, as E346 is eligible for these percentage increases.
Billing Tips
- Ensure the operative report clearly details the mastoidectomy performed, as this documentation is required to support the inclusion of the procedure within the E346 fee.
Provider Fee$345.15
Surgical Assistant Fee$75.06
Anaesthetist Fee$108.43
Non-Anaesthetist Fee$108.43
Effective: April 1, 2025
Category
Y. Ocular and Aural Surgical Procedures
Subcategory
Y. Ocular and Aural Surgical Procedures
Service Type
Surgical
Code Classes
Ocular and Aural Surgical Procedures
All insured services must be documented in appropriate records to establish that: 1. an insured service was provided; 2. the service for which the account is submitted is the service that was rendered; and 3. the service was medically necessary.
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