ICDwise
O23 ⚠ Non-billable

Infections of genitourinary tract in pregnancy

ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium

Code
O23
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Official coding notes

From CMS's ICD-10-CM Tabular List.

Excludes2 — not included here, but may code together
  • 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.-)

Frequently asked questions

What is ICD-10 code O23?
ICD-10-CM code O23 represents Infections of genitourinary tract in pregnancy. It is a non-billable header code requiring a more specific subcategory in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O23 billable?
No. O23 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O23 in?
O23 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.

Related codes in the O23 category

O23.0 Infections of kidney in pregnancy Non-billable O23.1 Infections of bladder in pregnancy Non-billable O23.2 Infections of urethra in pregnancy Non-billable O23.3 Infections of other parts of urinary tract in pregnancy Non-billable O23.4 Unspecified infection of urinary tract in pregnancy Non-billable O23.5 Infections of the genital tract in pregnancy Non-billable O23.9 Unspecified genitourinary tract infection in pregnancy Non-billable O23.00 Infections of kidney in pregnancy, unspecified trimester Billable

Search all 98,186 ICD-10-CM codes instantly

Search ICDwise →