ICD-10-CM > S00-T88 > S50-S59 > S52 > S52.2 > S52.23 > S52.234 > S52.234C S52.234C Nondisplaced oblique fracture of shaft of right ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC Billable/Specific Copy Code Copy Description