S23.429
Billable codeUnspecified sprain of sternum
The ICD-10 code for unspecified sprain of sternum is S23.429.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- S23.420Sprain of sternoclavicular (joint) (ligament)
- S23.421Sprain of chondrosternal joint
- S23.428Other sprain of sternum
- S23.429Unspecified sprain of sternum