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Z234
Z234 – Mandibular sequestrectomy
OHIP Psychiatric Code — MUSCULOSKELETAL SYSTEM SURGICAL PROCEDURES · Schedule of Benefits
Mandibular sequestrectomy is a surgical procedure listed under the Musculoskeletal System section of the Schedule of Benefits. It involves an incision and drainage procedure on the mandible specifically for the removal of a sequestrum (a piece of dead bone tissue). As a surgical procedure, it is eligible for surgeon (A), assistant (B), and anaesthetist (C) fees. See :.
When to Use
- Use Z234 when performing a surgical incision and drainage specifically for the removal of a sequestrum from the mandible.
- Use Z234 for the surgical debridement of necrotic bone tissue in the mandible that has separated from healthy bone.
Common Pitfalls
- Do not bill Z234 for routine tooth extractions or simple alveolar abscess drainage, as these are covered under different dental or oral surgery codes.
- Avoid billing Z234 in conjunction with other major mandibular procedures unless a separate, distinct incision is made for the sequestrectomy, as this may be flagged as unbundling.
Billing Tips
- Ensure the operative report explicitly documents the presence and removal of a 'sequestrum' to support the use of Z234 over general incision and drainage codes.
- If the procedure is performed after hours, ensure you apply the appropriate E409 or E410 procedural premium to the Z234 fee, provided the case meets non-elective criteria.
Provider Fee$281.25
Surgical Assistant Fee$87.57
Anaesthetist Fee$108.43
Non-Anaesthetist Fee$108.43
Effective: April 1, 2025
Category
N. Musculoskeletal System Surgical Procedures
Subcategory
MUSCULOSKELETAL SYSTEM SURGICAL PROCEDURES
Service Type
Surgical
Code Classes
Musculoskeletal System Surgical Procedures
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