O33
⚠ Non-billable (Header)Maternal care for disproportion
Pregnancy, childbirth and the puerperium (O00-O9A)
⚠️ This is a category header code — not billable. Use a more specific child code below.
ℹ️ Includes
- • the listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor
❌ Excludes1
directThese codes are mutually exclusive. Never code them together.
- • disproportion with obstructed labor (O65-O66)
Child Codes (10)
Clinical Description
ICD-10-CM code O33 represents maternal care for disproportion. This code falls under the Pregnancy, childbirth and the puerperium (O00-O9A) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
Frequently Asked Questions
What is ICD-10 code O33?
ICD-10-CM code O33 is "Maternal care for disproportion". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).
Is O33 a billable ICD-10 code?
No, O33 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with O33?
O33 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
🧪 Validate Combinations
Add O33 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)