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Billing code

S314A — Peritoneal abscess drainage – abdominal

Abdominal abscess drainage

Bill S314 for operative drainage of an abdominal peritoneal abscess.

Watch for: Not payable with S207 appendectomy, and percutaneous drainage is Z594 instead.

Code

S314A

Description

Peritoneal abscess drainage – abdominal

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

Operative drainage of an abdominal peritoneal abscess.

What it covers

S314 is drainage of an abdominal peritoneal abscess (S35). A subphrenic abscess is S313 (S35).

Billing rules

• Not payable with S207 appendectomy (S23).
• Percutaneous drainage of an abdominal abscess is Z594 instead; pelvic abscess drainage by the rectal or vaginal route is Z569 (S35).
• If a laparoscopic attempt is converted to laparotomy, E860 is payable in addition (SP5).
• 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).

Often billed with

• E409/E410 for non-elective after-hours surgery (GP104).

Related codes: S313, Z594, Z569, S204, S207

Source: Schedule of Benefits (July 1, 2026), Digestive System Surgical Procedures, Abdomen, Peritoneum and Omentum, page S35.

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