MBS Group T8 · Subgroup 20
Sinus Procedures: MBS items and fees.
All 4 items in subgroup 20 of Group T8, surgical operations, with each item’s schedule fee and Medicare benefits, from the MBS edition of 1 November 2026.
Source: the MBS XML file of 1 November 2026, published by the Department of Health, Disability and Ageing. We update these pages for each MBS edition.
T8.20 Sinus Procedures
4 items
| Item | Description | Fee and benefits |
|---|---|---|
| 41710 | Antrostomy by any approach, other than a service associated with a service to which item 41702, 41703, 41705 or 41698 applies on the same side (H) (Anaes.) (Assist.) | $423.50 75% benefit $317.65 |
| 41734 | Endoscopic Lothrop procedure or radical external frontal sinusotomy with osteoplastic flap, unilateral, other than a service associated with a service to which item 41698, 41703, 41705 or 41764 applies on the same side (H) (Anaes.) (Assist.) | $1,213.65 75% benefit $910.25 |
| 41737 | Frontal sinus, unilateral, intranasal operation on, including complete dissection of frontal recess and exposure of frontal sinus ostium (excludes simple probing, dilatation or irrigation of frontal sinus), other than a service associated with a service to which item 41698, 41703, 41705 or 41764 applies on the same side (H) (Anaes.) (Assist.) | $578.40 75% benefit $433.80 |
| 41752 | Sphenoidal sinus, unilateral, intranasal operation on, other than a service associated with a service to which item 41703 or 41705 applies on the same side (H) (Anaes.) (Assist.) | $353.90 75% benefit $265.45 |
Check the item before you claim.
An eligibility check tests the patient and each MBS item against Medicare’s rules, so a ‘no’ comes back with the reason before the claim goes in.