ICD-10-CM O23: Infections of genitourinary tract in pregnancy

ICD-10-CM Diagnosis Code (2025)

Official Description for O23

Infections of genitourinary tract in pregnancy

Coding Notes & Guidelines for O23

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.-)

Inclusion Terms

Pyelonephritis in pregnancy

Inclusion Terms
  • Oophoritis in pregnancy
  • Salpingitis in pregnancy
Inclusion Terms

Genitourinary tract infection in pregnancy NOS

Child Codes (More Specific Codes for O23):

O23.0 - Infections of kidney in pregnancy O23.00 - Infections of kidney in pregnancy, unspecified trimester O23.01 - Infections of kidney in pregnancy, first trimester O23.02 - Infections of kidney in pregnancy, second trimester O23.03 - Infections of kidney in pregnancy, third trimester O23.1 - Infections of bladder in pregnancy O23.10 - Infections of bladder in pregnancy, unspecified trimester O23.11 - Infections of bladder in pregnancy, first trimester O23.12 - Infections of bladder in pregnancy, second trimester O23.13 - Infections of bladder in pregnancy, third trimester O23.2 - Infections of urethra in pregnancy O23.20 - Infections of urethra in pregnancy, unspecified trimester O23.21 - Infections of urethra in pregnancy, first trimester O23.22 - Infections of urethra in pregnancy, second trimester O23.23 - Infections of urethra in pregnancy, third trimester O23.3 - Infections of other parts of urinary tract in pregnancy O23.30 - Infections of other parts of urinary tract in pregnancy, unspecified trimester O23.31 - Infections of other parts of urinary tract in pregnancy, first trimester O23.32 - Infections of other parts of urinary tract in pregnancy, second trimester O23.33 - Infections of other parts of urinary tract in pregnancy, third trimester O23.4 - Unspecified infection of urinary tract in pregnancy O23.40 - Unspecified infection of urinary tract in pregnancy, unspecified trimester O23.41 - Unspecified infection of urinary tract in pregnancy, first trimester O23.42 - Unspecified infection of urinary tract in pregnancy, second trimester O23.43 - Unspecified infection of urinary tract in pregnancy, third trimester O23.5 - Infections of the genital tract in pregnancy O23.51 - Infection of cervix in pregnancy O23.511 - Infections of cervix in pregnancy, first trimester O23.512 - Infections of cervix in pregnancy, second trimester O23.513 - Infections of cervix in pregnancy, third trimester O23.519 - Infections of cervix in pregnancy, unspecified trimester O23.52 - Salpingo-oophoritis in pregnancy O23.521 - Salpingo-oophoritis in pregnancy, first trimester O23.522 - Salpingo-oophoritis in pregnancy, second trimester O23.523 - Salpingo-oophoritis in pregnancy, third trimester O23.529 - Salpingo-oophoritis in pregnancy, unspecified trimester O23.59 - Infection of other part of genital tract in pregnancy O23.591 - Infection of other part of genital tract in pregnancy, first trimester O23.592 - Infection of other part of genital tract in pregnancy, second trimester O23.593 - Infection of other part of genital tract in pregnancy, third trimester O23.599 - Infection of other part of genital tract in pregnancy, unspecified trimester O23.9 - Unspecified genitourinary tract infection in pregnancy O23.90 - Unspecified genitourinary tract infection in pregnancy, unspecified trimester O23.91 - Unspecified genitourinary tract infection in pregnancy, first trimester O23.92 - Unspecified genitourinary tract infection in pregnancy, second trimester O23.93 - Unspecified genitourinary tract infection in pregnancy, third trimester

About ICD-10-CM Code O23 (Infections of genitourinary tract in pregnancy)

ICD-10-CM code O23 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM O23 became effective on October 1, 2024.

This page provides detailed information about O23 - Infections of genitourinary tract in pregnancy. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Infections of genitourinary tract in pregnancy.