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