O23.1
⚠ Non-billable
Infections of bladder in pregnancy
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O23.1
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.
Frequently asked questions
What is ICD-10 code O23.1?
ICD-10-CM code O23.1 represents Infections of bladder 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 O23.1 billable?
No. O23.1 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O23.1 in?
O23.1 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O23 category
O23
Infections of genitourinary tract in pregnancy
Non-billable
O23.0
Infections of kidney 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
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