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Z856 – Chalazion - single or multiple - general anaesthetic

OHIP Ocular and Aural Surgical Procedures Code — OCULAR SURGICAL PROCEDURES · Schedule of Benefits

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This service covers the excision of a single chalazion or multiple chalazia from the eyelid, requiring the administration of a general anaesthetic. As indicated by the '#' prefix, when performed in a hospital or Integrated Community Health Services Centre (ICHSC), the cost of premises, equipment, supplies, and personnel are covered by the facility's budget and cannot be billed to the patient (). The anaesthesia component includes 6 base units plus time units. For additional guidance, see 'Appendix D Surface Pathology' ().
For unit-based anaesthesia services, the start and end times must be recorded in the patient's permanent medical record.
If the trauma premium (E420) is claimed, the Injury Severity Score (ISS) must be listed in the medical record.
If anaesthesia extra units are claimed (e.g., E010C for BMI > 40, E022C for ASA III), the basis for the claim must be documented in the medical record. The ASA level must be determined and documented at the time of the pre-operative anaesthesia assessment.
Z874E542

See Appendix D Surface Pathology.

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