ICD-10-CM category
O23 Infections of genitourinary tract in pregnancy
O23 is a category, not a billable code. Report one of the 36 complete codes below.
Codes in O23
- O23.00Infections of kidney in pregnancy, unspecified trimester
- O23.01Infections of kidney in pregnancy, first trimester
- O23.02Infections of kidney in pregnancy, second trimester
- O23.03Infections of kidney in pregnancy, third trimester
- O23.10Infections of bladder in pregnancy, unspecified trimester
- O23.11Infections of bladder in pregnancy, first trimester
- O23.12Infections of bladder in pregnancy, second trimester
- O23.13Infections of bladder in pregnancy, third trimester
- O23.20Infections of urethra in pregnancy, unspecified trimester
- O23.21Infections of urethra in pregnancy, first trimester
- O23.22Infections of urethra in pregnancy, second trimester
- O23.23Infections of urethra in pregnancy, third trimester
- O23.30Infections of other parts of urinary tract in pregnancy, unspecified trimester
- O23.31Infections of other parts of urinary tract in pregnancy, first trimester
- O23.32Infections of other parts of urinary tract in pregnancy, second trimester
- O23.33Infections of other parts of urinary tract in pregnancy, third trimester
- O23.40Unspecified infection of urinary tract in pregnancy, unspecified trimester
- O23.41Unspecified infection of urinary tract in pregnancy, first trimester
- O23.42Unspecified infection of urinary tract in pregnancy, second trimester
- O23.43Unspecified infection of urinary tract in pregnancy, third trimester
- O23.511Infections of cervix in pregnancy, first trimester
- O23.512Infections of cervix in pregnancy, second trimester
- O23.513Infections of cervix in pregnancy, third trimester
- O23.519Infections of cervix in pregnancy, unspecified trimester
- O23.521Salpingo-oophoritis in pregnancy, first trimester
- O23.522Salpingo-oophoritis in pregnancy, second trimester
- O23.523Salpingo-oophoritis in pregnancy, third trimester
- O23.529Salpingo-oophoritis in pregnancy, unspecified trimester
- O23.591Infection of other part of genital tract in pregnancy, first trimester
- O23.592Infection of other part of genital tract in pregnancy, second trimester
- O23.593Infection of other part of genital tract in pregnancy, third trimester
- O23.599Infection of other part of genital tract in pregnancy, unspecified trimester
- O23.90Unspecified genitourinary tract infection in pregnancy, unspecified trimester
- O23.91Unspecified genitourinary tract infection in pregnancy, first trimester
- O23.92Unspecified genitourinary tract infection in pregnancy, second trimester
- O23.93Unspecified genitourinary tract infection in pregnancy, third trimester
Outside the US? O23 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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