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Billing code

S204A — Incision And Drainage Of Abscess

Appendiceal abscess drainage

Bill S204 for incision and drainage of an appendiceal abscess.

Watch for: Not payable with S207 appendectomy.

ProviderSpecialistAssistantAnaesthetistNon-anaesthetist
$273.60$0.00$77.46$111.72$111.72
Code
S204A
Description
Incision And Drainage Of Abscess
FHO+ basket
Not in the FHO+ base rate basket (Schedule 2 or 2B).
Effective date
Apr 1, 2026
Termination date
No end date

Explanation

Updated October 26, 2026

Incision and drainage of an appendiceal abscess. Not payable with appendectomy (S207).

What it covers

S204 is incision and drainage of an abscess, listed under Appendix in the Digestive System section (S23).

Billing rules

  • Not payable with S207 appendectomy (S23).
  • With other procedures under the same anaesthetic, the major procedure is paid in full and the others at 85% (SP2).
  • Non-elective surgery in the evening, at night, on weekends or holidays takes E409 or E410 (GP104).
  • E676 morbid obesity premium may apply when BMI is over 40 and recorded (SP6, SP7).
  • Age premium applies for patients under 16 (GP64).

Related codes: S207, S314, S313, Z594, Z569

Source: Schedule of Benefits (July 1, 2026), Digestive System Surgical Procedures, Miscellaneous, page S23.

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