W5201: Unicompartmental Knee Replacement - 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 | Check cover | Listed by Vitality: check cover at pre-authorisation |
| WPA | Listed | Listed by WPA |
Codes that can't be billed with W5201
Neither code can be billed with the other
- S4230: Secondary suture of skin
- W0630: Patellectomy
- W2830: Removal of internal fixation from bone / joint, excluding K-wires +/- image guidance
- W4230: Revision of total knee replacement – unilateral
- W4240: 2 stage revision of total knee replacement for infection - first stage
- W4242: 2 stage revision of total knee replacement for infection - second stage
- W4280: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral
- W5722: Excision reconstruction of small joint
- W5723: Excision reconstruction of large joint
- W8700: Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)
- W3100: Bone graft (as sole procedure)
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- AC100: Local anaesthetic by main operator
- W3530: Removal of percutaneous wire
- W5830: Robotic assisted total knee replacement – unilateral +/- cement, +/- patella
- W8500: Multiple arthroscopic operations on knee (including meniscectomy, chondroplasty, drilling or microfracture) - 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
W5201 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
- 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
- W4231: Robotic assisted revision of total knee replacement - unilateral
AXA Health also lists these codes as unacceptable combinations (24)
- W5723: Excision reconstruction of large joint
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- W8500: Multiple arthroscopic operations on knee (including meniscectomy, chondroplasty, drilling or microfracture) - unilateral
- A5210: Epidural injection (lumbar)
- W4240: 2 stage revision of total knee replacement for infection - first stage
- S4230: Secondary suture of skin
- A7350: Local anaesthetic blockade of named major nerve or plexus
- W8700: Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)
- W5722: Excision reconstruction of small joint
- W9020: Dynamic arthrogram of joint
- S5210: Injection into subcutaneous tissue/painful trigger point under local anaesthetic
- W5210: Revision of unicompartmental knee replacement - unilateral
- W4280: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral
- W3530: Removal of percutaneous wire
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- W4242: 2 stage revision of total knee replacement for infection - second stage
- W2830: Removal of internal fixation from bone / joint, excluding K-wires +/- image guidance
- W0630: Patellectomy
- W4230: Revision of total knee replacement – unilateral
- W9030: Injection(s) +/- aspiration, into joint, cyst, bursa with image guidance - unilateral
- AC100: Local anaesthetic by main operator
- W4210: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - unilateral
- W3100: Bone graft (as sole procedure)
- W5800: Conversion of a unicompartmental knee replacement to a total replacement of knee joint
Related codes
- W5200: Unicompartmental knee replacement - unilateral
- W5210: Revision of unicompartmental knee replacement - unilateral
- W4214: Customised unicompartmental knee replacement
- W5821: Robotic assisted unicompartmental knee replacement - bilateral
- W5820: Robotic assisted unicompartmental knee replacement - unilateral
- W5800: Conversion of a unicompartmental knee replacement to a total replacement of knee joint
Frequently asked questions
What is the procedure code for unicompartmental knee replacement - bilateral?
The procedure code is W5201: Unicompartmental Knee Replacement - bilateral.
Which insurers list W5201?
W5201 is listed by Bupa, AXA Health and WPA. Vitality lists it, but you should check cover before treatment. Always confirm the code and cover with your insurer.
Can W5201 be billed with other procedures?
The coding rules say W5201 cannot be billed together with 31 other codes, including S4230 (Secondary suture of skin), W0630 (Patellectomy), W2830 (Removal of internal fixation from bone / joint, excluding K-wires +/- image guidance). 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