O23.4
Non-Billable
ChapterO00–O9A
Ranksubcategory
Official Description
Unspecified infection of urinary tract in pregnancy
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Non-billable category (requires more specific sub-code).
- •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).
General instructions are available for the parent sections:
Clinical Hierarchy
CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O20-O29Other maternal disorders predominantly related to pregnancy (O20-O29)
O23Infections of genitourinary tract in pregnancy
O23.4Unspecified infection of urinary tract in pregnancy
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
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to O23.4:
blockO20-O29
Other maternal disorders predominantly related to pregnancy (O20-O29)
View context instructionsAlphabetic Index Mentions
These are Diagnosis Index lookup paths that route to O23.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
2 raw paths
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
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