O23: Infections of genitourinary tract in pregnancy

Codes under O23 (Infections of genitourinary tract in pregnancy). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
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	✓
O23.1	Infections of bladder in pregnancy	—
O23.02	Infections of kidney in pregnancy, second trimester	✓
O23.2	Infections of urethra in pregnancy	—
O23.03	Infections of kidney in pregnancy, third trimester	✓
O23.3	Infections of other parts of urinary tract in pregnancy	—
O23.4	Unspecified infection of urinary tract in pregnancy	—
O23.5	Infections of the genital tract in pregnancy	—
O23.9	Unspecified genitourinary tract infection 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	✓
O23.20	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	✓
O23.30	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	✓
O23.40	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	✓
O23.51	Infection of cervix in pregnancy	—
O23.52	Salpingo-oophoritis in pregnancy	—
O23.59	Infection of other part of genital tract 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	✓
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	✓
O23.521	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	✓
O23.591	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	✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

Code the diagnosis right