S90.54
Non-billableExternal constriction of ankle
External constriction of ankle
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
Child Codes (3)
Related Codes(5)
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for external constriction of ankle?
The ICD-10-CM code for external constriction of ankle is S90.54. The full clinical description is "External constriction of ankle". S90.54 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code S90.54 mean?
ICD-10-CM code S90.54 represents “External constriction of ankle”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is S90.54 a billable code?
No, S90.54 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under S90.54.
What chapter is S90.54 in?
S90.54 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S90.54?
S90.54 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).
What are the subcategories under S90.54?
S90.54 has 3 child codes, including: S90.541 (External constriction, right ankle), S90.542 (External constriction, left ankle), S90.549 (External constriction, unspecified ankle).
Are additional codes required with S90.54?
Yes, when using S90.54, also report: any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S90.54?
S90.54 is linked to 1 UMLS Concept Unique Identifier: C2866308. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does S90.54 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like external constriction of ankle affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of S90.54?
There is no direct ICD-11 mapping available for S90.54 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.