Is O33 a billable code?
No. O33 is a header code that groups 5 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
O33: Maternal care for disproportion
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
O33 groups related diagnoses under maternal care for disproportion. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under O33
- O33.0Maternal care for disproportion due to deformity of maternal pelvic bones
- O33.1Maternal care for disproportion due to generally contracted pelvis
- O33.2Maternal care for disproportion due to inlet contraction of pelvis
- O33.8Maternal care for disproportion of other origin
- O33.9Maternal care for disproportion, unspecified
O33 questions
What does O33 mean?
O33 is the ICD-10-CM code for Maternal care for disproportion. It is in chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.