AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 4; New/Revised ICD-10-CM Codes
Maternal Care for Other Type of Scar from Previous Cesarean Delivery
Unique codes have been created to identify maternal care for other type of scar from previous cesarean delivery (O34.218) and maternal care for cesarean scar (isthmocele) defect (O34.22). These new codes describe non-lower uterine segment scars from previous cesarean delivery. Women who have a prior non-lower uterine segment scar, such as a mid-transverse T incision cesarean scar, are at higher risk of uterine rupture at the site of the previous uterine scar in subsequent pregnancies. The surgeon may elect to perform a mid T incision when additional space is required to deliver the infant. “Mid-transverse...
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Article Overview
This article discusses maternal care diagnosis coding for pregnancy-related management involving prior cesarean scars, including non-lower uterine segment scars and cesarean scar defects. It is intended for coding professionals, clinical documentation staff, and other users who need to understand the scope of the new diagnosis categories and the kinds of obstetric situations they address.
Why This Topic Matters
Accurate identification of these maternal care categories supports consistent obstetric documentation and diagnosis code selection when a patient has a history of cesarean-related scarring.
What You Will Learn
- The general purpose of the new maternal care diagnosis categories
- How prior cesarean scar history is categorized at a high level
- What types of obstetric situations are associated with these maternal care codes
- Why cesarean scar defects are clinically relevant in pregnancy care
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation specialists
- Obstetric practices
- Revenue cycle staff
Codes Discussed
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