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Z124
Z124 – Three or more lesions
OHIP Psychiatric Code — INTEGUMENTARY SYSTEM SURGICAL PROCEDURES · Schedule of Benefits
This billing code represents a procedure for the excision of three or more lesions (cyst, haemangioma, lipoma) located on the face or neck, performed under local anaesthetic. General rules for Z-prefix procedures regarding admission assessments by surgical specialists may apply, as outlined in . This service is not listed as a delegable procedure in .
When to Use
- Use Z124 when performing the excision of three or more distinct lesions on the face or neck during a single operative session.
- Select Z124 when the lesions are benign and require surgical removal, distinguishing it from Z122 or Z123 which are reserved for fewer than three lesions.
Common Pitfalls
- Billing Z124 in conjunction with individual excision codes for the same lesions will result in a rejection for duplicate billing.
- Attempting to bill Z124 for lesions located outside the face or neck region is a common audit trigger; ensure the anatomical site matches the code definition.
Billing Tips
- Always append the E542 premium when the procedure is performed in an office setting rather than a hospital facility to capture the additional $12.65 fee.
- Ensure your operative note clearly lists the location and type of all three or more lesions to justify the use of Z124 over lower-tier excision codes.
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