W5821: Robotic assisted 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 | Not listed | Not on the AXA Health procedure list |
| Vitality | Listed | Listed by Vitality |
| WPA | Listed | Listed by WPA |
Codes that can't be billed with W5821
Neither code can be billed with the other
- W5201: Unicompartmental Knee Replacement - bilateral
- W4216: Customised bicompartmental knee replacement
- W4218: Customised total prosthetic replacement of knee joint
- W4230: Revision of total knee replacement – unilateral
- W4231: Robotic assisted 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
- W5210: Revision of unicompartmental knee replacement - unilateral
- W5722: Excision reconstruction of small joint
- W5723: Excision reconstruction of large joint
- W5800: Conversion of a unicompartmental knee replacement to a total replacement of knee joint
- W5822: Robotic assisted revision of unicompartmental knee replacement - unilateral
- W5830: Robotic assisted total knee replacement – unilateral +/- cement, +/- patella
- W5831: Robotic assisted total knee replacement - bilateral +/- cement, +/- patella
- W8500: Multiple arthroscopic operations on knee (including meniscectomy, chondroplasty, drilling or microfracture) - unilateral
- W8580: Multiple arthroscopic operations on knee (including meniscectomy, chondroplasty, drilling or microfracture) - bilateral
- W9020: Dynamic arthrogram of joint
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- S4230: Secondary suture of skin
- W0630: Patellectomy
- W2830: Removal of internal fixation from bone / joint, excluding K-wires +/- image guidance
- W3100: Bone graft (as sole procedure)
- W3530: Removal of percutaneous wire
- W4210: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - unilateral
- W4214: Customised unicompartmental knee replacement
- W5820: Robotic assisted unicompartmental knee replacement - unilateral
Related codes
- W5820: Robotic assisted unicompartmental knee replacement - unilateral
- W5822: Robotic assisted revision of unicompartmental knee replacement - unilateral
- W5201: Unicompartmental Knee Replacement - bilateral
- W5200: Unicompartmental knee replacement - unilateral
- W4231: Robotic assisted revision of total knee replacement - unilateral
- W5831: Robotic assisted total knee replacement - bilateral +/- cement, +/- patella
Frequently asked questions
What is the procedure code for robotic assisted unicompartmental knee replacement - bilateral?
The procedure code is W5821: Robotic assisted unicompartmental knee replacement - bilateral.
Which insurers list W5821?
W5821 is listed by Bupa, Vitality and WPA. It is not on the AXA Health procedure list. Always confirm the code and cover with your insurer.
Can W5821 be billed with other procedures?
The coding rules say W5821 cannot be billed together with 29 other codes, including W5201 (Unicompartmental Knee Replacement - bilateral), W4216 (Customised bicompartmental knee replacement), W4218 (Customised total prosthetic replacement of knee joint). 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