W0321: Osteotomies (eg Scarf and Akin) for hallux valgus correction
Osteotomies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - 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 Bupa: a separate sedation or regional anaesthesia claim is allowed. |
| 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 W0321
Neither code can be billed with the other
- W0330: Fusion of first metatarsophalangeal joint - unilateral
- W0380: Fusion of first metatarsophalangeal joint - bilateral
- W3100: Bone graft (as sole procedure)
- W5700: Excision arthroplasty of first metatarsophalangeal joint with prosthetic implantation or interpositional arthroplasty - unilateral
- W5701: Excision arthroplasty of first metatarsophalangeal joint with prosthetic implantation or interpositional arthroplasty - bilateral
- W5710: Excision arthroplasty of first metatarsophalangeal joint (eg Keller, Bonney-Kessel procedures) including cheilectomy - unilateral
- W5780: Excision arthroplasty of first metatarsophalangeal joint (eg Keller, Bonney-Kessel procedures) including cheilectomy - bilateral
- W7900: Excision of medial eminence first or fifth metatarsal head with soft tissue repair (bunionectomy)
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- X4810: Change of cast without general anaesthetic (as sole procedure)
- X4822: Change of cast under general anaesthetic (as sole procedure)
- W7980: Metatarsal osteotomy (eg Scarf) for hallux valgus, +/- internal fixation +/- soft tissue correction - bilateral
- W0300: Multiple procedures on forefoot, distal to and including the tarsometatarsal joint, which involves at least two distinct procedures not intrinsic to each other - unilateral
- W0310: Multiple procedures on forefoot, distal to and including the tarsometatarsal joints, which involves at least two distinct procedures not intrinsic to each other - bilateral
- W0860: Metatarsophalangeal cheilectomy (as sole procedure) - unilateral
- W0861: Metatarsophalangeal cheilectomy - bilateral, as sole procedure
- W0390: Inter articular resurfacing arthroplasty with implant of metatarsophalangeal joint
- W0850: Partial excision of bone (including exostoses)
- W0323: Revision of osteotomy/ies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - unilateral
- W7910: Metatarsal osteotomy (e.g. Scarf) for hallux vagus, +/- internal fixation +/- soft tissue correction - unilateral
W0321 can't be billed with
- W1040: Osteotomy of short bone of foot (excluding hallux valgus and including internal fixation)
- W0322: Osteotomies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - bilateral
- W7921: Surgical correction of hallux valgus using minimal access techniques- bilateral
- W7922: Surgical correction of hallux valgus using minimal access techniques- unilateral
AXA Health also lists these codes as unacceptable combinations (25)
- X4810: Change of cast without general anaesthetic (as sole procedure)
- W0850: Partial excision of bone (including exostoses)
- W1040: Osteotomy of short bone of foot (excluding hallux valgus and including internal fixation)
- X4822: Change of cast under general anaesthetic (as sole procedure)
- W5701: Excision arthroplasty of first metatarsophalangeal joint with prosthetic implantation or interpositional arthroplasty - bilateral
- W9040: Injection(s) +/- aspiration, into joint, cyst, bursa - unilateral
- W5710: Excision arthroplasty of first metatarsophalangeal joint (eg Keller, Bonney-Kessel procedures) including cheilectomy - unilateral
- W0330: Fusion of first metatarsophalangeal joint - unilateral
- W0324: Revision of osteotomy/ies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - bilateral
- A7350: Local anaesthetic blockade of named major nerve or plexus
- W0300: Multiple procedures on forefoot, distal to and including the tarsometatarsal joint, which involves at least two distinct procedures not intrinsic to each other - unilateral
- W0861: Metatarsophalangeal cheilectomy - bilateral, as sole procedure
- W7900: Excision of medial eminence first or fifth metatarsal head with soft tissue repair (bunionectomy)
- W0860: Metatarsophalangeal cheilectomy (as sole procedure) - unilateral
- W0323: Revision of osteotomy/ies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - unilateral
- W7922: Surgical correction of hallux valgus using minimal access techniques- unilateral
- W7910: Metatarsal osteotomy (e.g. Scarf) for hallux vagus, +/- internal fixation +/- soft tissue correction - unilateral
- W0380: Fusion of first metatarsophalangeal joint - bilateral
- W7980: Metatarsal osteotomy (eg Scarf) for hallux valgus, +/- internal fixation +/- soft tissue correction - bilateral
- W3100: Bone graft (as sole procedure)
- W0310: Multiple procedures on forefoot, distal to and including the tarsometatarsal joints, which involves at least two distinct procedures not intrinsic to each other - bilateral
- W9240: Examination/ manipulation of joint under general anaesthetic +/- injection +/- arthrogram (as sole procedure)
- S5210: Injection into subcutaneous tissue/painful trigger point under local anaesthetic
- W5780: Excision arthroplasty of first metatarsophalangeal joint (eg Keller, Bonney-Kessel procedures) including cheilectomy - bilateral
- W5700: Excision arthroplasty of first metatarsophalangeal joint with prosthetic implantation or interpositional arthroplasty - unilateral
Related codes
- W0322: Osteotomies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - bilateral
- W7980: Metatarsal osteotomy (eg Scarf) for hallux valgus, +/- internal fixation +/- soft tissue correction - bilateral
- W0324: Revision of osteotomy/ies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - bilateral
- W0323: Revision of osteotomy/ies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - unilateral
- W7910: Metatarsal osteotomy (e.g. Scarf) for hallux vagus, +/- internal fixation +/- soft tissue correction - unilateral
- W0881: Excision of joint of toe with release of contracture and soft tissue correction
Frequently asked questions
What is the procedure code for osteotomies (eg scarf and akin) for hallux valgus correction?
The procedure code is W0321: Osteotomies (eg Scarf and Akin) for hallux valgus correction +/- internal fixation +/- soft tissue correction - unilateral.
Which insurers list W0321?
W0321 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 W0321 be billed with other procedures?
The coding rules say W0321 cannot be billed together with 25 other codes, including W0330 (Fusion of first metatarsophalangeal joint - unilateral), W0380 (Fusion of first metatarsophalangeal joint - bilateral), W3100 (Bone graft (as sole procedure)). See the full list above.
What does my procedure code mean?
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