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Compare/N34 vs O23

N34 vs O23

N34 (Urethritis and urethral syndrome) compared with O23 (Infections of genitourinary tract in pregnancy), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. N34 carries an Excludes2 note covering O23: “pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

N34Urethritis and urethral syndromeO23Infections of genitourinary tract in pregnancy
Billing statusNon-billable header

Report instead: N34.0, N34.1, N34.2, N34.3

Non-billable header

Report instead: O23.00, O23.01, O23.02, O23.03, O23.10

ClassificationN00-N99 — Diseases of the Genitourinary System (N00-N99)O00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)
DefinitionUrethritis and urethral syndrome is a non-billable ICD-10-CM category code (N34).Infections of genitourinary tract in pregnancy is a non-billable ICD-10-CM category code (O23).
Use additional code
code (B95-B97), to identify infectious agent.
code to identify organism (B95.-, B96.-)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources