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O23

Non-billable

Infections of genitourinary tract in pregnancy

O23 is the ICD-10-CM code for Infections of genitourinary tract in pregnancy. It is a non-billable category code — use a more specific child code such as O23.0 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Subcodes
7
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

Excludes2 — not included here

  • •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)

Use additional code

  • •code to identify organism (B95.-, B96.-)

Frequently asked questions

What is ICD-10 code O23?
O23 is the ICD-10-CM code for "Infections of genitourinary tract in pregnancy". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O23 a billable code?
No — O23 is a non-billable header code. Use a more specific child code (such as O23.0) for billing.
What are the subcodes of O23?
O23 has 7 more specific child codes, including O23.0, O23.1, O23.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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