S99
Non-billableOther and unspecified injuries of ankle and foot
Other and unspecified injuries of ankle and foot
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
S90-S99
Child Codes
5
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
- code to identify any retained foreign body, if applicable (Z18.-)
Child Codes (5)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code S99?
ICD-10-CM code S99 represents "Other and unspecified injuries of ankle and foot". It is a non-billable header code — use a more specific child code for billing purposes.
Is S99 a billable code?
No, S99 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under S99.
What chapter is S99 in?
S99 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S99?
S99 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 S99?
S99 has 5 child codes, including: S99.0 (Physeal fracture of calcaneus), S99.1 (Physeal fracture of metatarsal), S99.2 (Physeal fracture of phalanx of toe), S99.8 (Other specified injuries of ankle and foot), and 1 more.
Are additional codes required with S99?
Yes, when using S99 you should also code: code to identify any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S99?
S99 is linked to 1 UMLS Concept Unique Identifier: C0495979. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.