W1320: Osteotomy of proximal femur
For guidance only. Always check the code and obtain authorisation from your insurer before treatment. Other insurers may use different codes and coding rules.
Also known as
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 |
| AXA Health | Listed | Listed by AXA Health |
| Vitality | Listed | Listed by Vitality |
| WPA | Listed | Listed by WPA |
Codes that can't be billed with W1320
Neither code can be billed with the other
- W3713: Complex primary total hip replacement (including bone grafting or femoral osteotomy)
- W3714: Total hip replacement, +/- cement, after excision arthroplasty or arthrodesis (including conversion of hemiarthroplasty or revision of other previous hip surgery which involved internal fixation)
- W3732: Revision of uncemented or cemented total hip replacement without adjunctive procedures - unilateral
- W3733: Revision of total hip replacement (including insertion of reconstruction rings, plates, screws, etc., and/or impaction bone grafting to acetabulum and/or femur) - unilateral
- W3944: Acetabular liner and head changes
- W1390: Open femoro-acetabular surgery for hip impingement syndrome
- S4230: Secondary suture of skin
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- W3943: Removal of total hip replacement and complete clearance of cement
- W1380: Arthroscopic femoro-acetabular surgery for hip impingement syndrome, including labral repair and osteochondroplasty
- W3720: Robotic assisted total hip replacement - unilateral +/- cement
- W3744: Robotic assisted revision of total hip replacement - unilateral
- W3745: Robotic assisted revision of total hip replacement (inclduing insertion of reconstruction rings, plates, screws +/- impaction bonegrafting to acetabulum +/- femur) - unilateral
- W3712: Primary total hip replacement – unilateral +/- cement
W1320 can't be billed with
AXA Health also lists these codes as unacceptable combinations (13)
- W3732: Revision of uncemented or cemented total hip replacement without adjunctive procedures - unilateral
- W3944: Acetabular liner and head changes
- W3712: Primary total hip replacement – unilateral +/- cement
- W3100: Bone graft (as sole procedure)
- S4230: Secondary suture of skin
- W3943: Removal of total hip replacement and complete clearance of cement
- W3733: Revision of total hip replacement (including insertion of reconstruction rings, plates, screws, etc., and/or impaction bone grafting to acetabulum and/or femur) - unilateral
- W1380: Arthroscopic femoro-acetabular surgery for hip impingement syndrome, including labral repair and osteochondroplasty
- W3734: Second, third or further revision total hip replacement (excluding acetabular liner and head changes)
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- W3714: Total hip replacement, +/- cement, after excision arthroplasty or arthrodesis (including conversion of hemiarthroplasty or revision of other previous hip surgery which involved internal fixation)
- W3713: Complex primary total hip replacement (including bone grafting or femoral osteotomy)
- W1390: Open femoro-acetabular surgery for hip impingement syndrome
Related codes
Frequently asked questions
What is the procedure code for osteotomy of proximal femur?
The procedure code is W1320: Osteotomy of proximal femur.
Which insurers list W1320?
W1320 is listed by Bupa, AXA Health, Vitality and WPA. Always confirm the code and cover with your insurer.
Can W1320 be billed with other procedures?
The coding rules say W1320 cannot be billed together with 16 other codes, including W3713 (Complex primary total hip replacement (including bone grafting or femoral osteotomy)), W3714 (Total hip replacement, +/- cement, after excision arthroplasty or arthrodesis (including conversion of hemiarthroplasty or revision of other previous hip surgery which involved internal fixation)), W3732 (Revision of uncemented or cemented total hip replacement without adjunctive procedures - unilateral). 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