O34.22 Maternal care for cesarean scar defect (isthmocele)

The ICD-10-CM code for Maternal care for cesarean scar defect (isthmocele) is O34.22 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

15: Pregnancy, childbirth and the puerperium (O00-O9A)

Section

O30-O48: Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

Category O34

70 codes (54 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O34.22:

• Scar, scarring › defect (isthmocele)
• Delivery (childbirth) (labor) › cesarean (for) › isthmocele
• Cesarean delivery, previous, affecting management of pregnancy › isthmocele (non-pregnant state) › maternal care for
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › cesarean scar defect (isthmocele)
• Cesarean delivery, previous, affecting management of pregnancy › scar › defect (non-pregnant state) › maternal care for
• Delivery (childbirth) (labor) › cesarean (for) › scar (s) › defect (isthmocele)
• Delivery (childbirth) (labor) › vaginal, following previous cesarean delivery › scar › defect (isthmocele)
• Delivery (childbirth) (labor) › cesarean (for) › previous › cesarean delivery › isthmocele

U.S. Hospital Utilization

• An estimated 350 U.S. inpatient stays in 2023 included O34.22 among the documented diagnoses.
• 110 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)