S42.216K
ICD-10-CMUnspecified nondisplaced fracture of surgical neck of unspecified humerus, subsequent encounter for fracture with nonunion
This code indicates a fracture of the surgical neck of the humerus that is not displaced and whose laterality is not specified. The key aspect is that the fracture has failed to heal properly, and this encounter is for ongoing management of that nonunion.
Use this code when a patient presents for follow-up care or treatment of a previously diagnosed, unspecified, nondisplaced surgical neck humerus fracture that has not united. This typically involves patients undergoing further interventions or monitoring due to delayed or failed bone healing.
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