When is ICD-10 code O23.93 used?

Doctors, hospitals, and insurers may use ICD-10 code O23.93 when recording unspecified genitourinary tract infection in pregnancy, third trimester in a standardized format.

Does ICD-10 code O23.93 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code O23.93: Unspecified genitourinary tract infection in pregnancy, third trimester

Name: ICD-10 Code O23.93: Unspecified genitourinary tract infection in pregnancy, third trimester
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:27:32.990Z

O23.93 is a billable ICD-10 diagnosis code used to classify Unspecified genitourinary tract infection in pregnancy, third trimester in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).

When is it used?

May be used when a clinician documents unspecified genitourinary tract infection in pregnancy, third trimester in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter

15Pregnancy, childbirth and the puerperium (O00-O9A)

block

O20-O29Other maternal disorders predominantly related to pregnancy

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

ObstetricianGynecologistInfectious Disease SpecialistUrologist

Related tests

Urinalysis

Commonly reviewed when evaluating urinary tract infection in pregnancy.

Urine culture

Often used to help identify urinary pathogens in pregnancy-related infection workup.

Complete blood count

May be reviewed as part of broader infection assessment in pregnancy.

Related procedures

Obstetric ultrasound

May appear in pregnancy follow-up pathways when infection is being assessed alongside fetal well-being.

Fetal nonstress testing

May be used in selected higher-risk pregnancy monitoring pathways.

Sibling codes

O23.90Unspecified genitourinary tract infection in pregnancy, unspecified trimesterbillable O23.91Unspecified genitourinary tract infection in pregnancy, first trimesterbillable O23.92Unspecified genitourinary tract infection in pregnancy, second trimesterbillable

Coding guidelines

Common synonyms

Unspecified genitourinary tract infection in pregnancy, third trimester

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.