W3944: Acetabular liner and head changes
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 |
| AXA Health | Listed | Listed by AXA Health |
| Vitality | Listed | Listed by Vitality |
| WPA | Check cover | Listed by WPA: check cover at pre-authorisation |
Codes that can't be billed with W3944
Neither code can be billed with the other
- W1320: Osteotomy of proximal femur
- W5722: Excision reconstruction of small joint
- S4230: Secondary suture of skin
- W4600: Prosthetic replacement of head of femur
- W1700: Shelf augmentation of acetabulum (Wainwright or Trillat)
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- A5211: Epidural injection (caudal)
- A5210: Epidural injection (lumbar)
- W9020: Dynamic arthrogram of joint
AXA Health also lists these codes as unacceptable combinations (11)
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- S4230: Secondary suture of skin
- W1700: Shelf augmentation of acetabulum (Wainwright or Trillat)
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- W5722: Excision reconstruction of small joint
- W1320: Osteotomy of proximal femur
- W9020: Dynamic arthrogram of joint
- A5210: Epidural injection (lumbar)
- W4600: Prosthetic replacement of head of femur
- W9030: Injection(s) +/- aspiration, into joint, cyst, bursa with image guidance - unilateral
- A7350: Local anaesthetic blockade of named major nerve or plexus
Related codes
- W4600: Prosthetic replacement of head of femur
- W1912: Pinning of head of femur - open or percutaneous (e.g. slipped femoral epiphysis, undisplaced neck fracture)
- W1390: Open femoro-acetabular surgery for hip impingement syndrome
- W1649: Complex pelvic osteotomies and fixation, e.g. triple osteotomy, peri-acetabular osteotomy
- W1380: Arthroscopic femoro-acetabular surgery for hip impingement syndrome, including labral repair and osteochondroplasty
Frequently asked questions
What is the procedure code for acetabular liner and head changes?
The procedure code is W3944: Acetabular liner and head changes.
Which insurers list W3944?
W3944 is listed by Bupa, AXA Health and Vitality. WPA lists it, but you should check cover before treatment. Always confirm the code and cover with your insurer.
Can W3944 be billed with other procedures?
The coding rules say W3944 cannot be billed together with 10 other codes, including W1320 (Osteotomy of proximal femur), W5722 (Excision reconstruction of small joint), S4230 (Secondary suture of skin). See the full list above.
About the surgeon
Mr Jakub Kozdryk, Consultant Orthopaedic Surgeon, performs hip and knee replacement and revision surgery at Nuffield Health Warwickshire and Circle Meriden Hospital.
Revision hip replacement with Mr Kozdryk →Book an appointment with Mr Kozdryk →
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