S52.21
Header — not billableGreenstick fracture of shaft of ulna
The ICD-10 code for greenstick fracture of shaft of ulna is S52.21.
S52.21 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.
Clinical notes
7th character definitions
These definitions specify what each valid 7th-character value means for codes in this category.
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7th character note
This category requires a 7th character to indicate additional clinical detail (e.g. encounter type: initial, subsequent, sequela). The code is incomplete without it.
- The appropriate 7th character is to be added to all codes in subcategory S52.21
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This category requires a 7th character. Documentation should clearly indicate the episode of care (initial encounter, subsequent encounter, or sequela).
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- S52.20Unspecified fracture of shaft of ulnanon-billable header
- S52.22Transverse fracture of shaft of ulnanon-billable header
- S52.23Oblique fracture of shaft of ulnanon-billable header
- S52.24Spiral fracture of shaft of ulnanon-billable header
- S52.25Comminuted fracture of shaft of ulnanon-billable header
- S52.26Segmental fracture of shaft of ulnanon-billable header
- S52.27Monteggia's fracture of ulnanon-billable header
- S52.28Bent bone of ulnanon-billable header
- S52.29Other fracture of shaft of ulnanon-billable header
- S52.21Greenstick fracture of shaft of ulnanon-billable header