O23
⚠ Non-billable (Header)Infections of genitourinary tract in pregnancy
Pregnancy, childbirth and the puerperium (O00-O9A)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
directBoth codes can exist if both conditions are documented.
- • gonococcal infections complicating pregnancy, childbirth and the puerperium (O98.2)
- • infections with a predominantly sexual mode of transmission NOS complicating pregnancy, childbirth and the puerperium (O98.3)
- • syphilis complicating pregnancy, childbirth and the puerperium (O98.1)
- • tuberculosis of genitourinary system complicating pregnancy, childbirth and the puerperium (O98.0)
- • venereal disease NOS complicating pregnancy, childbirth and the puerperium (O98.3)
📋 Code Instructions
direct- • code to identify organism (B95.-, B96.-)
Child Codes (7)
Clinical Description
ICD-10-CM code O23 represents infections of genitourinary tract in pregnancy. 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 O23?
ICD-10-CM code O23 is "Infections of genitourinary tract in pregnancy". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).
Is O23 a billable ICD-10 code?
No, O23 is a non-billable header code. A more specific child code must be used for billing.
Can O23 be coded with other codes?
O23 has 5 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)