ICD-10-CM > S00-T88 > S50-S59 > S52 > S52.2 > S52.21 > S52.211 > S52.211F S52.211F Greenstick fracture of shaft of right ulna, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing Billable/Specific Copy Code Copy Description