All codes
Z459
Z459 – Arterial puncture
OHIP Psychiatric Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
This service is for the performance of an arterial puncture. It is listed in the Schedule of Benefits under both the 'Pulmonary Function Studies' section, where it is specified as 'for blood gas analysis', and the 'Diagnostic and Therapeutic Procedures' section under 'Vascular cannulation'.
When to Use
- Use Z459 when performing an arterial puncture specifically for blood gas analysis, distinct from routine phlebotomy or venous blood draws.
- Bill Z459 when an anaesthesiologist performs an arterial puncture for blood gas monitoring during a procedure, as it is explicitly excluded from the general anaesthesia service fee.
Common Pitfalls
- Do not bill Z459 in conjunction with an arterial line insertion (Z460), as the puncture is considered an integral component of the cannulation procedure.
- Avoid billing Z459 for routine venous blood collection, as this is included in the office visit or consultation fee and does not qualify as an arterial procedure.
Billing Tips
- Ensure the clinical indication for the arterial blood gas is clearly linked to the procedure to justify the separate fee, especially when performed during anaesthesia.
Provider Fee$10.20
Effective: April 1, 2025
Category
H. Pulmonary Function Studies
Subcategory
DIAGNOSTIC AND THERAPEUTIC PROCEDURES
Service Type
Procedure
Code Classes
Diagnostic and Therapeutic Procedures, Pulmonary Function Studies
Arterial puncture for blood gas analysis
Arterial puncture
Ready to bill this code?
SnapBill makes OHIP billing simple — auto-filled codes, validation, and batch submission.