ICD-10-CM · Chapter 15 · O00-O9A
O23 Infections of genitourinary tract in pregnancy
Excludes 2 (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.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O23..0 | Infections of kidney in pregnancy | No |
| O23..00 | Infections of kidney in pregnancy, unspecified trimester | Yes |
| O23..01 | Infections of kidney in pregnancy, first trimester | Yes |
| O23..02 | Infections of kidney in pregnancy, second trimester | Yes |
| O23..03 | Infections of kidney in pregnancy, third trimester | Yes |
| O23..1 | Infections of bladder in pregnancy | No |
| O23..10 | Infections of bladder in pregnancy, unspecified trimester | Yes |
| O23..11 | Infections of bladder in pregnancy, first trimester | Yes |
| O23..12 | Infections of bladder in pregnancy, second trimester | Yes |
| O23..13 | Infections of bladder in pregnancy, third trimester | Yes |
| O23..2 | Infections of urethra in pregnancy | No |
| O23..20 | Infections of urethra in pregnancy, unspecified trimester | Yes |
| O23..21 | Infections of urethra in pregnancy, first trimester | Yes |
| O23..22 | Infections of urethra in pregnancy, second trimester | Yes |
| O23..23 | Infections of urethra in pregnancy, third trimester | Yes |
| O23..3 | Infections of other parts of urinary tract in pregnancy | No |
| O23..30 | Infections of other parts of urinary tract in pregnancy, unspecified trimester | Yes |
| O23..31 | Infections of other parts of urinary tract in pregnancy, first trimester | Yes |
| O23..32 | Infections of other parts of urinary tract in pregnancy, second trimester | Yes |
| O23..33 | Infections of other parts of urinary tract in pregnancy, third trimester | Yes |
| O23..4 | Unspecified infection of urinary tract in pregnancy | No |
| O23..40 | Unspecified infection of urinary tract in pregnancy, unspecified trimester | Yes |
| O23..41 | Unspecified infection of urinary tract in pregnancy, first trimester | Yes |
| O23..42 | Unspecified infection of urinary tract in pregnancy, second trimester | Yes |
| O23..43 | Unspecified infection of urinary tract in pregnancy, third trimester | Yes |
| O23..5 | Infections of the genital tract in pregnancy | No |
| O23..51 | Infection of cervix in pregnancy | No |
| O23..511 | Infections of cervix in pregnancy, first trimester | Yes |
| O23..512 | Infections of cervix in pregnancy, second trimester | Yes |
| O23..513 | Infections of cervix in pregnancy, third trimester | Yes |
| O23..519 | Infections of cervix in pregnancy, unspecified trimester | Yes |
| O23..52 | Salpingo-oophoritis in pregnancy | No |
| O23..521 | Salpingo-oophoritis in pregnancy, first trimester | Yes |
| O23..522 | Salpingo-oophoritis in pregnancy, second trimester | Yes |
| O23..523 | Salpingo-oophoritis in pregnancy, third trimester | Yes |
| O23..529 | Salpingo-oophoritis in pregnancy, unspecified trimester | Yes |
| O23..59 | Infection of other part of genital tract in pregnancy | No |
| O23..591 | Infection of other part of genital tract in pregnancy, first trimester | Yes |
| O23..592 | Infection of other part of genital tract in pregnancy, second trimester | Yes |
| O23..593 | Infection of other part of genital tract in pregnancy, third trimester | Yes |
| O23..599 | Infection of other part of genital tract in pregnancy, unspecified trimester | Yes |
| O23..9 | Unspecified genitourinary tract infection in pregnancy | No |
| O23..90 | Unspecified genitourinary tract infection in pregnancy, unspecified trimester | Yes |
| O23..91 | Unspecified genitourinary tract infection in pregnancy, first trimester | Yes |
| O23..92 | Unspecified genitourinary tract infection in pregnancy, second trimester | Yes |
| O23..93 | Unspecified genitourinary tract infection in pregnancy, third trimester | Yes |
Last reviewed: September 2026