Billing code
Z304A — Nasal polypectomy – single
Single nasal polyp removal
Bill for removing a single nasal polyp.
Watch for: Use Z305 for multiple polyps or removal under general anaesthetic; add E839 when a flexible endoscope is used.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $21.00 | $0.00 | $0.00 | $0.00 | $0.00 |
- Code
- Z304A
- Description
- Nasal polypectomy – single
- 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
Removal of a single nasal polyp.
What it covers
Z304 is removal of a single nasal polyp (P1). Multiple polyps, or removal under general anaesthetic, is Z305 (unilateral) (P1).
Billing rules
- Add E839 when done with a flexible endoscope (P1).
- Use Z305 for multiple polyps or general anaesthetic (P1).
- Z codes are independent operative procedures (IOP), payable in addition to an assessment. If you made the decision to operate in the past 12 months, only a partial assessment (specialist) or minor assessment (GP) is payable before the IOP that day; if the decision is the same day, no other assessment before it is paid (GP4, SP4).
Often billed with
- E839 flexible endoscope (P1).
Related codes: Z305, Z308, E839, Z309
Source: Schedule of Benefits (July 1, 2026), Respiratory Surgical Procedures, Nose, page P1.
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