W4240: 2 stage revision of total knee replacement for infection - first stage
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 W4240
Neither code can be billed with the other
- W2830: Removal of internal fixation from bone / joint, excluding K-wires +/- image guidance
- W4280: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral
- W4242: 2 stage revision of total knee replacement for infection - second stage
- W4200: Complex primary total knee replacement (i.e. including bone graft, augmentation or osteotomy)
- S4230: Secondary suture of skin
- W8700: Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)
- W5201: Unicompartmental Knee Replacement - bilateral
- 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
- W5830: Robotic assisted total knee replacement – unilateral +/- cement, +/- patella
- 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
W4240 can't be billed with
- W5210: Revision of unicompartmental knee replacement - unilateral
- W5800: Conversion of a unicompartmental knee replacement to a total replacement of knee joint
- W4214: Customised unicompartmental knee replacement
- W4216: Customised bicompartmental knee replacement
- W4218: Customised total prosthetic replacement of knee joint
- W5851: Localised patient specific knee resurfacing arthroplasty - unilateral
- W5852: Localised patient specific twin knee resurfacing arthroplasty - unilateral
- W5831: Robotic assisted total knee replacement - bilateral +/- cement, +/- patella
AXA Health also lists these codes as unacceptable combinations (15)
- W9030: Injection(s) +/- aspiration, into joint, cyst, bursa with image guidance - unilateral
- W5201: Unicompartmental Knee Replacement - bilateral
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- W9020: Dynamic arthrogram of joint
- W5200: Unicompartmental knee replacement - unilateral
- S4230: Secondary suture of skin
- W2830: Removal of internal fixation from bone / joint, excluding K-wires +/- image guidance
- W4200: Complex primary total knee replacement (i.e. including bone graft, augmentation or osteotomy)
- A7350: Local anaesthetic blockade of named major nerve or plexus
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- W4210: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - unilateral
- W4280: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral
- W8700: Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)
- W5300: Bicompartmental knee resurfacing
- W4242: 2 stage revision of total knee replacement for infection - second stage
Related codes
- W4242: 2 stage revision of total knee replacement for infection - second stage
- W4230: Revision of total knee replacement – unilateral
- W4231: Robotic assisted revision of total knee replacement - unilateral
- W5210: Revision of unicompartmental knee replacement - unilateral
- W5800: Conversion of a unicompartmental knee replacement to a total replacement of knee joint
- W4218: Customised total prosthetic replacement of knee joint
Frequently asked questions
What is the procedure code for 2 stage revision of total knee replacement for infection - first stage?
The procedure code is W4240: 2 stage revision of total knee replacement for infection - first stage.
Which insurers list W4240?
W4240 is listed by Bupa, AXA Health, Vitality and WPA. Always confirm the code and cover with your insurer.
Can W4240 be billed with other procedures?
The coding rules say W4240 cannot be billed together with 24 other codes, including W2830 (Removal of internal fixation from bone / joint, excluding K-wires +/- image guidance), W4280 (Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral), W4242 (2 stage revision of total knee replacement for infection - second stage). 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 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