S90
Non-billableSuperficial injury of ankle, foot and toes
Superficial injury of ankle, foot and toes
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
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (8)
S90.0Contusion of ankle
S90.1Contusion of toe without damage to nail
S90.2Contusion of toe with damage to nail
S90.3Contusion of foot
S90.4Other superficial injuries of toe
S90.5Other superficial injuries of ankle
S90.8Other superficial injuries of foot
S90.9Unspecified superficial injury of ankle, foot and toe
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for superficial injury of ankle, foot and toes?
The ICD-10-CM code for superficial injury of ankle, foot and toes is S90. The full clinical description is "Superficial injury of ankle, foot and toes". S90 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code S90 mean?
ICD-10-CM code S90 represents “Superficial injury of ankle, foot and toes”. 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 a billable code?
No, S90 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under S90.
What chapter is S90 in?
S90 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S90?
S90 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?
S90 has 8 child codes, including: S90.0 (Contusion of ankle), S90.1 (Contusion of toe without damage to nail), S90.2 (Contusion of toe with damage to nail), S90.3 (Contusion of foot), and 4 more.
Are additional codes required with S90?
Yes, when using S90, also report: any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S90?
S90 is linked to 1 UMLS Concept Unique Identifier: C2866060. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does S90 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like superficial injury of ankle, foot and toes 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?
S90 maps to the ICD-11 code: ND11.Z (Superficial injury of ankle or foot, unspecified).
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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.