Z312 – Removal of foreign body - general anaesthetic
OHIP Psychiatric Code — RESPIRATORY SURGICAL PROCEDURES · Schedule of Benefits
This service is for the removal of a foreign body from the nose requiring a general anaesthetic. As this is an Independent Operative Procedure (IOP) identified by the 'Z' prefix, specific billing rules apply for pre-operative assessments and post-operative care as outlined in the Surgical Preamble (-). The '#' prefix indicates that for services performed in a hospital, the premises, equipment, supplies, and personnel are funded by the hospital's global budget.
When to Use
- Use Z312 when a foreign body in the nasal cavity cannot be safely removed in the office setting and requires general anaesthesia.
- Use Z312 for complex pediatric cases where patient cooperation is insufficient for office-based removal, necessitating general anaesthesia.
Common Pitfalls
- Billing Z312 alongside Z311 is prohibited as they are mutually exclusive codes for nasal foreign body removal.
- Failing to account for the Independent Operative Procedure (IOP) rules regarding pre-operative assessments, which may lead to claim rejections if a consultation is billed on the same day.
- Overlooking the requirement to document the specific necessity of general anaesthesia, which is the defining clinical criterion for this code compared to office-based procedures.
Billing Tips
- Ensure the appropriate age-based surgical premium is applied to the surgeon's fee (suffix A) to capture the full value for pediatric patients.
- If the procedure is performed on an emergency basis after hours, append the appropriate E-code (E409A or E410A) to the Z312 claim to increase the procedural fee by 50% or 75% respectively.
Effective: April 1, 2025
P. Respiratory Surgical Procedures
RESPIRATORY SURGICAL PROCEDURES
Surgical
Respiratory Surgical Procedures
All insured services must be documented in the medical record to establish that the service was provided, is the service submitted for payment, and was medically necessary as per .
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