Billing code
Z510A — Drainage Of Pharyngeal Abscess Or Haematoma
Pharyngeal abscess drainage
Bill for draining an abscess or haematoma of the pharynx, including the nasopharynx, oropharynx and hypopharynx.
Watch for: Drainage of a haematoma or deep neck abscess through an external approach is Z524 instead.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $91.10 | $0.00 | $0.00 | $95.76 | $95.76 |
- Code
- Z510A
- Description
- Drainage Of Pharyngeal 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 a pharyngeal abscess or haematoma, including the nasopharynx, oropharynx and hypopharynx.
What it covers
Z510 is drainage of an pharyngeal 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: Z506, Z524, Z501, Z537
Source: Schedule of Benefits (July 1, 2026), Digestive System Surgical Procedures, Oral Cavity and Pharynx, page S1.
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