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Billing code

E550A — Closed irrigation system insertion (wound care)

Closed wound irrigation system

Add when a closed irrigation system is inserted during a surgical procedure for post-operative wound management.

Watch for: Not payable for negative pressure wound therapy, vacuum dressings or bladder irrigation systems.

ProviderSpecialistAssistantAnaesthetistNon-anaesthetist
$63.15$0.00$0.00$0.00$0.00
Code
E550A
Description
Closed irrigation system insertion (wound care)
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 for inserting a closed irrigation system during a surgical procedure for post-operative wound management. Not for vacuum dressings.

What it covers

E550 is the Wound Care add-on in the General Fees of the Musculoskeletal System Surgical Procedures section: insertion of a closed irrigation system during a surgical procedure, for post-operative management (N3).

It is an add-on, claimed on top of the surgical procedure during which the system is inserted (N3).

Billing rules

  • Only when the closed irrigation system is inserted during a surgical procedure, for post-operative management (N3).
  • Not payable for applying negative pressure wound therapy or vacuum dressings, or for bladder irrigation systems (N4).
  • Claimed by the operating surgeon with the A suffix (SP5).

Often billed with

  • The surgical procedure during which the system is placed, such as R517 excision of a foreign body (N3, N4).

Related codes: R517, E556, Z783, R228

Source: Schedule of Benefits (July 1, 2026), Musculoskeletal System Surgical Procedures, General Fees, Wound Care, page N3 (commentary on page N4)

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