Billing code
E541A — Percutaneous inflation of tissue expander – each additional expander
Extra tissue expander inflation
Add to Z137 for each additional tissue expander inflated percutaneously, up to 3.
Watch for: Must be billed with Z137, and no more than 3 additional expanders.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $11.55 | $0.00 | $0.00 | $0.00 | $0.00 |
- Code
- E541A
- Description
- Percutaneous inflation of tissue expander – each additional expander
- FHO+ basket
- Not in the FHO+ base rate basket (Schedule 2 or 2B).
- Effective date
- Apr 1, 2025
- Termination date
- No end date
Explanation
Updated October 26, 2026
Add-on to Z137 for each extra tissue expander inflated percutaneously, up to 3.
What it covers
E541 is billed with Z137 (percutaneous inflation of the first tissue expander) for each additional expander, to a maximum of 3 (M24).
Billing rules
- Bill only with Z137 (M24).
- Maximum 3 additional expanders (M24).
Often billed with
- Z137 for the first expander (M24).
Common rejections
- AD9: OHIP describes this as 'Premium not allowed alone': this add-on is paid only with Z137 on the same claim; add the base code or remove the add-on.
- A3H: OHIP describes this as 'Maximum Number Services per the Fee Schedule Master': more than 3 additional expanders were billed (M24).
Related codes: Z137, Z132, E527, E528, Z138
Source: Schedule of Benefits (July 1, 2026), Integumentary System Surgical Procedures, Skin and Subcutaneous Tissue, page M24.
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