O33.4 Maternal care for disproportion of mixed maternal and fetal origin

The ICD-10-CM code for Maternal care for disproportion of mixed maternal and fetal origin is O33.4 (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 O33

11 codes (10 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O33.4:

• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › disproportion (due to) › mixed maternal and fetal origin

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool