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Billing code

Z545A — Incision of thrombosed haemorrhoid(s)

Thrombosed haemorrhoid incision

Bill for incising one or more thrombosed haemorrhoids; an assessment can be billed in addition.

Watch for: Add E542 when done outside hospital.

Code

Z545A

Description

Incision of thrombosed haemorrhoid(s)

FHO+ basket

Covered by the FHO+ base rate payment for enrolled patients, and shadow billed at 30% (50% for Schedule 2B procedures).

Effective date

Apr 1, 2026

Termination date

No end date

Explanation

Updated October 26, 2026

Incision of thrombosed haemorrhoid(s), an independent operative procedure. Add E542 when done outside hospital.

What it covers

Z545 is incision of thrombosed haemorrhoid(s), listed under Rectum surgery (S27).

Z-prefix codes are independent operative procedures, payable in addition to an assessment (GP4, SP4).

Billing rules

• Add E542 when performed outside hospital (S27).
• If you made the decision to operate at a visit in the previous 12 months, only a minor assessment (GP/FP) or partial assessment (specialist) is payable before Z545 on the same day; if the decision visit is the same day, no other assessment before it is payable (SP4).
• Anaesthesia is listed at 6 basic units for the anaesthetist (S27).
• FHO: a Schedule 2 core code paid at the higher Schedule 2B shadow rate (Agreement pp.82, 88).

Often billed with

• E542 when performed outside hospital (S27).
• Z543 anoscopy, when done (S27).

Related codes: E542, Z543, Z544, Z575, Z565, S247

Source: Schedule of Benefits (July 1, 2026), Digestive System Surgical Procedures, Rectum, page S27.

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