W5200: Unicompartmental knee replacement - unilateral
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 W5200
Neither code can be billed with the other
- W0630: Patellectomy
- W4200: Complex primary total knee replacement (i.e. including bone graft, augmentation or osteotomy)
- W4214: Customised unicompartmental knee replacement
- 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
- W4244: Tibial liner exchange in total knee replacement
- W4280: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral
- W5210: Revision of unicompartmental knee replacement - unilateral
- W5300: Bicompartmental knee resurfacing
- W5820: Robotic assisted unicompartmental knee replacement - unilateral
- W5830: Robotic assisted total knee replacement – unilateral +/- cement, +/- patella
- W5831: Robotic assisted total knee replacement - bilateral +/- cement, +/- patella
- W5851: Localised patient specific knee resurfacing arthroplasty - unilateral
- W5852: Localised patient specific twin knee resurfacing arthroplasty - unilateral
- 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
- W8700: Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - 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
W5200 can't be billed with
- A5420: Injection of therapeutic substance into CSF - as sole procedure
AXA Health also lists these codes as unacceptable combinations (23)
- W0632: Prosthetic patello-femoral replacement (as sole procedure) – unilateral
- A5420: Injection of therapeutic substance into CSF - as sole procedure
- W8600: Therapeutic arthroscopy operation on cavity of joint (not otherwise specified) (as sole procedure)
- W4280: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - bilateral
- W8700: Diagnostic arthroscopic examination of joint, +/- biopsy (not otherwise specified) (as sole procedure)
- W7420: Autograft anterior cruciate ligament reconstruction without lateral tenodesis +/- meniscectomy
- W8500: Multiple arthroscopic operations on knee (including meniscectomy, chondroplasty, drilling or microfracture) - unilateral
- W4210: Total prosthetic replacement of knee joint +/- cement +/- patella resurfacing - unilateral
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- W4230: Revision of total knee replacement – unilateral
- A5210: Epidural injection (lumbar)
- W8200: Arthroscopic meniscectomy (including debridement) - unilateral
- W0630: Patellectomy
- W8380: Therapeutic arthroscopy operation on articular cartilage (other than W8200) - bilateral (as sole procedure)
- S5210: Injection into subcutaneous tissue/painful trigger point under local anaesthetic
- A7350: Local anaesthetic blockade of named major nerve or plexus
- W4240: 2 stage revision of total knee replacement for infection - first stage
- W9020: Dynamic arthrogram of joint
- W4244: Tibial liner exchange in total knee replacement
- W5300: Bicompartmental knee resurfacing
- W4200: Complex primary total knee replacement (i.e. including bone graft, augmentation or osteotomy)
- W9030: Injection(s) +/- aspiration, into joint, cyst, bursa with image guidance - unilateral
- W4242: 2 stage revision of total knee replacement for infection - second stage
Related codes
- W5201: Unicompartmental Knee Replacement - bilateral
- 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 - unilateral?
The procedure code is W5200: Unicompartmental knee replacement - unilateral.
Which insurers list W5200?
W5200 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 W5200 be billed with other procedures?
The coding rules say W5200 cannot be billed together with 26 other codes, including W0630 (Patellectomy), W4200 (Complex primary total knee replacement (i.e. including bone graft, augmentation or osteotomy)), W4214 (Customised unicompartmental knee replacement). 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