S93.419
Sprain of calcaneofibular ligament of unspecified ankle
Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 2 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 8 never code together
S90-S99block
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 11
S93code
Includes
- avulsion of joint or ligament of ankle, foot and toe
- laceration of cartilage, joint or ligament of ankle, foot and toe
- sprain of cartilage, joint or ligament of ankle, foot and toe
- traumatic hemarthrosis of joint or ligament of ankle, foot and toe
- traumatic rupture of joint or ligament of ankle, foot and toe
- traumatic subluxation of joint or ligament of ankle, foot and toe
- traumatic tear of joint or ligament of ankle, foot and toe
Code also
- any associated open wound
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Alongside this code 2 same parent — S93.41
Subordinate codes 3
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.