MBS item

18362
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Botulinum toxin injection for severe underarm sweating in patients aged 12+ who've failed topical aluminium chloride, not treated within 4 months, and limited to 2 occasions per year if previously treated.

Category 3 · Therapeutic procedures[Group T11](/groups/T11)

Schedule fee$295.30

100% benefitGP, out of hospital—

85% benefitOut of hospital$251.05

75% benefitIn hospital$221.50

The schedule fee for MBS item 18362 is $295.30. Medicare pays $251.05 (85%) out of hospital, or $221.50 (75%) for a privately admitted patient in hospital. Fee effective 1 July 2026.

Gap for what you charge
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Your fee$

Out of hospitalIn hospital (private)

Medicare pays$251.05

Patient gap$44.25

Bulk billing means accepting $251.05 as full payment, with no gap and no extra charges. [Add incentives](/bulk-billing?item=18362)

Item descriptor
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Botulinum Toxin type A Purified Neurotoxin Complex (Botox), injection of, for the treatment of severe primary axillary hyperhidrosis, including all injections on any one day, if: (a) the patient is at least 12 years of age; and (b) the patient has been intolerant of, or has not responded to, topical aluminium chloride hexahydrate; and (c) the patient has not had treatment with botulinum toxin within the immediately preceding 4 months; and (d) if the patient has had treatment with botulinum toxin within the previous 12 months - the patient had treatment on no more than 2 separate occasions (Anaes.)

[Explanatory notes and rules on MBS Online ↗](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=18362)

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=18362) before billing. This is a reference tool, not billing or financial advice.