S90
Superficial injury of ankle, foot and toes
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 6 never code together
S90-S99block
Excludes2 — not included here, but the patient may have both. Code both when documented.
7th character 3
A initial encounter
D subsequent encounter
S sequela
Instructional notes 3
S00-T88chapter
Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
- code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here filed at null
No alphabetic index entry points at this code.
Subordinate codes 8
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 S90.4 Other superficial injuries of toe S90.5 Other superficial injuries of ankle S90.8 Other superficial injuries of foot S90.9 Unspecified superficial injury of ankle, foot and toe
Medications 2
2 Chemical and Drug Induced Liver Injury drugs 1 Chemical and Drug Induced Liver Injury, Chronic drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.