MBS item

18234
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Injection of anaesthetic or steroid into a primary branch of the trigeminal nerve (ophthalmic, maxillary or mandibular), excluding infraorbital nerve, not concurrent with other Group T8 services unless using targeted percutaneous technique.

Category 3 · Therapeutic procedures[Group T7](/groups/T7)

Schedule fee$149.45

100% benefitGP, out of hospital—

85% benefitOut of hospital$127.05

75% benefitIn hospital$112.10

The schedule fee for MBS item 18234 is $149.45. Medicare pays $127.05 (85%) out of hospital, or $112.10 (75%) for a privately admitted patient in hospital. Fee effective 1 July 2026.

Gap for what you charge
-----------------------

Your fee$

Out of hospitalIn hospital (private)

Medicare pays$127.05

Patient gap$22.40

Bulk billing means accepting $127.05 as full payment, with no gap and no extra charges. [Add incentives](/bulk-billing?item=18234)

Item descriptor
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Trigeminal nerve, primary branch (ophthalmic, maxillary or mandibular branches, excluding infraorbital nerve), injection of an anaesthetic agent or steroid, but not in association with a service to which an item in Group T8 applies, unless a targeted percutaneous technique is used (Anaes.)

[Explanatory notes and rules on MBS Online ↗](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=18234)

Health fund and DVA rates
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Total fee each scheme recognises for this item in hospital.

StateNSWVICQLDSAWATASACTNT

Guides
------

- [How Medicare benefits work: schedule fees, 75%, 85% and 100%](/guides/how-medicare-benefits-work)
- [Medicare safety nets explained: original and extended (EMSN) thresholds for 2026](/guides/medicare-safety-nets)
- [In-hospital billing: the 75% benefit, the 25% fund benefit, and no-gap and known-gap schemes](/guides/in-hospital-billing-and-gap-cover)
- [Bulk billing incentives and BBPIP explained: 2026 amounts by MM area](/guides/bulk-billing-incentives)
- [The MBS multiple operation rule and surgical assistant fees](/guides/multiple-operation-rule)
- [Assignment of benefit for bulk billing: the changes from 1 July 2026](/guides/assignment-of-benefit-2026)
- [MBS telehealth rules: the eligible telehealth practitioner and phone items](/guides/mbs-telehealth-rules)
- [GP chronic condition management plans: items 965 and 967 explained](/guides/chronic-condition-management-plans)
- [Medicare billing compliance: claim time limits, records and the 80/20 rule](/guides/medicare-billing-compliance)

Data source: [Australian Government Medicare Benefits Schedule](https://www.mbsonline.gov.au/) · Record updated 1 September 2026. Health fund rates come from each fund's published schedule. Verify item descriptors, rules and fees on [MBS Online](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=18234) before billing. This is a reference tool, not billing or financial advice.