AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2016 Issue 4; ICD-10-CM NEW/REVISED CODES

Uterine Scar from Previous Surgery

Code O34.21, Maternal care for scar from previous cesarean delivery, has been expanded and new codes created to specify the type of incision used on a previous cesarean delivery. Subsequent pregnancy and delivery management may be determined by the previous type of cesarean incision. Patients with a previous cesarean scar are at an increased risk for dehiscence and uterine rupture depending on the location of the scar. For example, horizontal scars present less of a risk than vertical scars. ICD-10-CM did not previously provide codes that conveyed the type of incision used on previous cesarean delivery. The new...

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