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Z410
Z410 – Drainage of sub-fascial abscess
OHIP Psychiatric Code — HAEMATIC AND LYMPHATIC SURGICAL PROCEDURES · Schedule of Benefits
Drainage of sub-fascial abscess is a surgical procedure listed under the Haematic and Lymphatic system section of the Schedule of Benefits. It involves incising and draining an abscess located below the fascial layer. This service includes the associated anaesthesia component.
When to Use
- Use Z410 when performing a surgical incision and drainage of an abscess specifically located beneath the fascial layer, distinguishing it from simple superficial skin abscesses often managed with minor procedure codes.
- Use Z410 for deep-seated infections requiring formal surgical exploration and drainage in an operating room or procedural suite, rather than a simple bedside lancing.
Common Pitfalls
- Billing Z410 in conjunction with a consultation or assessment on the same day is a common rejection; ensure you are only billing the 'major pre-operative visit' if the decision to operate was made during that encounter.
- Confusing Z410 with superficial incision and drainage codes; ensure the documentation explicitly confirms the abscess was sub-fascial to avoid audit recovery for upcoding.
Billing Tips
- If the procedure is performed on an emergency basis after hours, ensure you append the appropriate E-series premium (E409 or E410) to maximize the procedural fee, provided you are not an Emergency Department physician.
Provider Fee$92.40
Anaesthetist Fee$92.94
Non-Anaesthetist Fee$92.94
Effective: April 1, 2025
Category
R. Haematic and Lymphatic Surgical Procedures
Subcategory
HAEMATIC AND LYMPHATIC SURGICAL PROCEDURES
Service Type
Surgical
Code Classes
Haematic and Lymphatic Surgical Procedures
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