All ICD10 Codes

S90.54

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

External constriction of ankle

Use a more specific code (3 billable)
S90.541External constriction, right ankleS90.542External constriction, left ankleS90.549External constriction, 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).
General instructions are available for the parent sections:
View CH19 NotesView S90-S99 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)
S90Superficial injury of ankle, foot and toes
S90.5Other superficial injuries of ankle
S90.54External constriction of ankleNot billable
S90.541External constriction, right ankleBillable
S90.542External constriction, left ankleBillable
S90.549External constriction, unspecified ankleBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S90.54:

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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