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Billing code

Z904A — Ear polyp excision – office

Ear polyp removal, office

Bill for local excision of a polyp of the external ear done in the office.

Watch for: Use Z904 in the office and Z905 in hospital.

ProviderSpecialistAssistantAnaesthetistNon-anaesthetist
$25.85$0.00$0.00$0.00$0.00
Code
Z904A
Description
Ear polyp excision – office
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

Local excision of an ear polyp in the office.

What it covers

Z904 is local excision of a polyp of the external ear, done in the office (Y15). The hospital listing is Z905 (Y15).

Billing rules

  • Use Z904 in the office and Z905 in hospital (Y15).
  • 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).

Related codes: Z905, Z909, Z907

Source: Schedule of Benefits (July 1, 2026), Aural Surgical Procedures, External Ear, page Y15.

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