All ICD10 Codes

S93.40

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Sprain of unspecified ligament of ankle

Use a more specific code (3 billable)
S93.401Sprain of unspecified ligament of right ankleS93.402Sprain of unspecified ligament of left ankleS93.409Sprain of unspecified ligament of unspecified ankle
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Includes
  • Sprain of ankle NOS
  • Sprained ankle NOS
General instructions are available for the parent sections:
View CH19 NotesView S90-S99 NotesView S93 NotesView S93.4 Notes

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S90-S99Injuries to the ankle and foot (S90-S99)
S93Dislocation and sprain of joints and ligaments at ankle, foot and toe level
S93.4Sprain of ankle
S93.40Sprain of unspecified ligament of ankleNot billable
S93.401Sprain of unspecified ligament of right ankleBillable
S93.402Sprain of unspecified ligament of left ankleBillable
S93.409Sprain of unspecified ligament of unspecified ankleBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S93.40:

subcategoryS93.4
Sprain of ankle
View context instructions
categoryS93
Dislocation and sprain of joints and ligaments at ankle, foot and toe level
View context instructions
blockS90-S99
Injuries to the ankle and foot (S90-S99)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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