Billing code
Z506A — Drainage Of Oral Abscess Or Haematoma
Oral abscess drainage
Bill for draining an abscess or haematoma in the mouth.
Watch for: Drainage of a haematoma or deep neck abscess through an external approach is Z524 instead.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $50.90 | $0.00 | $0.00 | $95.76 | $95.76 |
- Code
- Z506A
- Description
- Drainage Of Oral Abscess Or Haematoma
- 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
Drainage of an abscess or haematoma in the oral cavity.
What it covers
Z506 is drainage of an oral abscess or haematoma (S1). The oral cavity and pharynx listings include the nasopharynx, oropharynx and hypopharynx unless stated otherwise (S1).
Drainage of a haematoma or deep neck abscess by an external approach is Z524 (S1).
Billing rules
- Marked #: the fee doesn't include premises, equipment, supplies or staff, which the hospital budget funds when done in hospital (GP13).
- Surgical procedure: age premiums apply for patients under 16, from +10% (age 5–15) up to +30% (under 30 days) (GP64).
- Non-elective and done after hours: ED physicians billing H-codes add E412 (+20%, evenings/weekends/holidays) or E413 (+40%, 00:00–07:00); other physicians add E409 or E410 (GP104).
Related codes: Z510, Z524, Z501, Z537
Source: Schedule of Benefits (July 1, 2026), Digestive System Surgical Procedures, Oral Cavity and Pharynx, page S1.
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