W4280: Total prosthetic replacement of knee joint
Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral
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 W4280
Neither code can be billed with the other
- S4230: Secondary suture of skin
- W4230: Revision of total knee replacement – unilateral
- W8700: Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)
- W4242: 2 stage revision of total knee replacement for infection - second stage
- W4240: 2 stage revision of total knee replacement for infection - first stage
- W0630: Patellectomy
- W4200: Complex primary total knee replacement (i.e. including bone graft, augmentation or osteotomy)
- W5201: Unicompartmental Knee Replacement - bilateral
- W3100: Bone graft (as sole procedure)
- W5300: Bicompartmental knee resurfacing
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- W3530: Removal of percutaneous wire
- W0633: Prosthetic replacement of patellofemoral joint - bilateral (as sole procedure)
- W5830: Robotic assisted total knee replacement – unilateral +/- cement, +/- patella
- W8500: Multiple arthroscopic operations on knee (including meniscectomy, chondroplasty, drilling or microfracture) - unilateral
- W5200: Unicompartmental knee replacement - unilateral
- W4210: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - unilateral
- W9020: Dynamic arthrogram of joint
- W5822: Robotic assisted revision of unicompartmental knee replacement - unilateral
- W5821: Robotic assisted unicompartmental knee replacement - bilateral
W4280 can't be billed with
- W8580: Multiple arthroscopic operations on knee (including meniscectomy, chondroplasty, drilling or microfracture) - bilateral
- W5210: Revision of unicompartmental knee replacement - unilateral
- W5800: Conversion of a unicompartmental knee replacement to a total replacement of knee joint
- W5831: Robotic assisted total knee replacement - bilateral +/- cement, +/- patella
- W4231: Robotic assisted revision of total knee replacement - unilateral
AXA Health also lists these codes as unacceptable combinations (24)
- A5210: Epidural injection (lumbar)
- W9020: Dynamic arthrogram of joint
- W5800: Conversion of a unicompartmental knee replacement to a total replacement of knee joint
- S4230: Secondary suture of skin
- W0633: Prosthetic replacement of patellofemoral joint - bilateral (as sole procedure)
- S5210: Injection into subcutaneous tissue/painful trigger point under local anaesthetic
- W4240: 2 stage revision of total knee replacement for infection - first stage
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- W5300: Bicompartmental knee resurfacing
- W8500: Multiple arthroscopic operations on knee (including meniscectomy, chondroplasty, drilling or microfracture) - unilateral
- A7350: Local anaesthetic blockade of named major nerve or plexus
- W4210: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - unilateral
- W9030: Injection(s) +/- aspiration, into joint, cyst, bursa with image guidance - unilateral
- W4200: Complex primary total knee replacement (i.e. including bone graft, augmentation or osteotomy)
- W4242: 2 stage revision of total knee replacement for infection - second stage
- W5210: Revision of unicompartmental knee replacement - unilateral
- W5201: Unicompartmental Knee Replacement - bilateral
- W5200: Unicompartmental knee replacement - unilateral
- W0630: Patellectomy
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- W4230: Revision of total knee replacement – unilateral
- W8700: Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)
- W3100: Bone graft (as sole procedure)
- W3530: Removal of percutaneous wire
Related codes
- W4210: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - unilateral
- W5831: Robotic assisted total knee replacement - bilateral +/- cement, +/- patella
- W5830: Robotic assisted total knee replacement – unilateral +/- cement, +/- patella
- W4212: Minimally invasive knee replacement +/- cement +/- patella resurfacing - unilateral
- W4218: Customised total prosthetic replacement of knee joint
- W4230: Revision of total knee replacement – unilateral
Frequently asked questions
What is the procedure code for total prosthetic replacement of knee joint?
The procedure code is W4280: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral.
Which insurers list W4280?
W4280 is listed by Bupa, AXA Health, Vitality and WPA. Always confirm the code and cover with your insurer.
Can W4280 be billed with other procedures?
The coding rules say W4280 cannot be billed together with 26 other codes, including S4230 (Secondary suture of skin), W4230 (Revision of total knee replacement – unilateral), W8700 (Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)). 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.
Knee 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