MCMedicalCodingSoftware
O23.9

O23.9: Unspecified genitourinary tract infection in pregnancy

Non-billable headerICD-10-CM

O23.9 is a non-billable header ICD-10-CM code for unspecified genitourinary tract infection in pregnancy. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Genitourinary tract infection in pregnancy NOS

Excludes2 inherited from the categories above O23.9

Not part of this code, but both may be coded when both are present.

Written on O23: Infections of genitourinary tract in pregnancy

  • 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)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead O23.9

4 child codes. Green means billable.

Other codes under O23

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.