S93.4 — Sprain of ankle
Is S93.4 billable?
No — S93.4 is a non-billable header code. S93.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 45 billable codes beneath S93.4.
Billable codes under this header
- S93.401ASprain of unspecified ligament of right ankle, initial encounter
- S93.401DSprain of unspecified ligament of right ankle, subsequent encounter
- S93.401SSprain of unspecified ligament of right ankle, sequela
- S93.402ASprain of unspecified ligament of left ankle, initial encounter
- S93.402DSprain of unspecified ligament of left ankle, subsequent encounter
- S93.402SSprain of unspecified ligament of left ankle, sequela
- S93.409ASprain of unspecified ligament of unspecified ankle, initial encounter
- S93.409DSprain of unspecified ligament of unspecified ankle, subsequent encounter
- S93.409SSprain of unspecified ligament of unspecified ankle, sequela
- S93.411ASprain of calcaneofibular ligament of right ankle, initial encounter
- S93.411DSprain of calcaneofibular ligament of right ankle, subsequent encounter
- S93.411SSprain of calcaneofibular ligament of right ankle, sequela
- S93.412ASprain of calcaneofibular ligament of left ankle, initial encounter
- S93.412DSprain of calcaneofibular ligament of left ankle, subsequent encounter
- S93.412SSprain of calcaneofibular ligament of left ankle, sequela
- S93.419ASprain of calcaneofibular ligament of unspecified ankle, initial encounter
- S93.419DSprain of calcaneofibular ligament of unspecified ankle, subsequent encounter
- S93.419SSprain of calcaneofibular ligament of unspecified ankle, sequela
- S93.421ASprain of deltoid ligament of right ankle, initial encounter
- S93.421DSprain of deltoid ligament of right ankle, subsequent encounter
- S93.421SSprain of deltoid ligament of right ankle, sequela
- S93.422ASprain of deltoid ligament of left ankle, initial encounter
- S93.422DSprain of deltoid ligament of left ankle, subsequent encounter
- S93.422SSprain of deltoid ligament of left ankle, sequela
- S93.429ASprain of deltoid ligament of unspecified ankle, initial encounter
- S93.429DSprain of deltoid ligament of unspecified ankle, subsequent encounter
- S93.429SSprain of deltoid ligament of unspecified ankle, sequela
- S93.431ASprain of tibiofibular ligament of right ankle, initial encounter
- S93.431DSprain of tibiofibular ligament of right ankle, subsequent encounter
- S93.431SSprain of tibiofibular ligament of right ankle, sequela
- S93.432ASprain of tibiofibular ligament of left ankle, initial encounter
- S93.432DSprain of tibiofibular ligament of left ankle, subsequent encounter
- S93.432SSprain of tibiofibular ligament of left ankle, sequela
- S93.439ASprain of tibiofibular ligament of unspecified ankle, initial encounter
- S93.439DSprain of tibiofibular ligament of unspecified ankle, subsequent encounter
- S93.439SSprain of tibiofibular ligament of unspecified ankle, sequela
- S93.491ASprain of other ligament of right ankle, initial encounter
- S93.491DSprain of other ligament of right ankle, subsequent encounter
- S93.491SSprain of other ligament of right ankle, sequela
- S93.492ASprain of other ligament of left ankle, initial encounter
- S93.492DSprain of other ligament of left ankle, subsequent encounter
- S93.492SSprain of other ligament of left ankle, sequela
- S93.499ASprain of other ligament of unspecified ankle, initial encounter
- S93.499DSprain of other ligament of unspecified ankle, subsequent encounter
- S93.499SSprain of other ligament of unspecified ankle, sequela
S93.4 at a glance
| Code | S93.4 |
|---|---|
| Description | Sprain of ankle |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of S93.4, but a patient may have both at the same time. When documentation supports it, S93.4 and the excluded code may both be reported.
- injury of Achilles tendon (S86.0-)
Use additional code — inherited from Chapter 19
Report an additional code alongside S93.4 to fully describe the condition. S93.4 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S93.4, but a patient may have both at the same time. When documentation supports it, S93.4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S90-S99
The conditions below are not part of S93.4, but a patient may have both at the same time. When documentation supports it, S93.4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S93
The conditions below are not part of S93.4, but a patient may have both at the same time. When documentation supports it, S93.4 and the excluded code may both be reported.
- strain of muscle and tendon of ankle and foot (S96.-)
Code also — inherited from S93
Two codes may be needed to describe the condition fully. Whether S93.4 is sequenced first depends on the reason for the encounter.
- any associated open wound
What codes fall under S93.4? (5)
How long has S93.4 existed?
S93.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.