W1646: Open reduction/internal fixation of sacro-iliac joint
For guidance only. Always check the code and obtain authorisation from your insurer before treatment. Other insurers may use different codes and coding rules.
For guidance only. Procedure codes and descriptions on this site are provided for general guidance only and are not a guarantee of insurance cover or payment. Always check the correct code with your surgeon's secretary and obtain authorisation from your insurer before treatment. Insurers shown are examples only. Other insurers are available, and each may use the same, similar or different codes and coding rules.
Insurer listing
| Insurer | Status | Notes |
|---|---|---|
| Bupa | Listed | Listed by Bupa Bupa: intensive care days may be reimbursed for this procedure. |
| AXA Health | Listed | Listed by AXA Health |
| Vitality | Listed | Listed by Vitality |
| WPA | Listed | Listed by WPA |
Codes that can't be billed with W1646
Neither code can be billed with the other
AXA Health also lists these codes as unacceptable combinations (1)
Related codes
- W1647: Open reduction/internal fixation of fractures of the greater trochanter (including fixation of non-union of greater trochanter after trochanteric osteotomy)
- W1644: Open reduction/internal fixation of both columns of acetabulum
- W1642: Open reduction/internal fixation of posterior rim of acetabulum
- W1645: Open reduction/internal fixation plus bone graft symphysis pubis
- W1940: Primary open reduction of short bone with fixation (including intra-articular)
- W1920: Primary open reduction of long bone with fixation
Frequently asked questions
What is the procedure code for open reduction/internal fixation of sacro-iliac joint?
The procedure code is W1646: Open reduction/internal fixation of sacro-iliac joint.
Which insurers list W1646?
W1646 is listed by Bupa, AXA Health, Vitality and WPA. Always confirm the code and cover with your insurer.
Can W1646 be billed with other procedures?
The coding rules say W1646 cannot be billed together with 1 other code, including W3100 (Bone graft (as sole procedure)). See the full list above.
What does my procedure code mean?
For guidance only. Procedure codes and descriptions on this site are provided for general guidance only and are not a guarantee of insurance cover or payment. Always check the correct code with your surgeon's secretary and obtain authorisation from your insurer before treatment. Insurers shown are examples only. Other insurers are available, and each may use the same, similar or different codes and coding rules.
Codes and descriptions are for guidance only. Insurer listing and cover information is taken from each insurer's published schedule and is for guidance only: always confirm the code and cover with the insurer before treatment. This site is not affiliated with CCSD or any insurer. No fees are shown.
Last checked: 2026-10-01