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v1.0.0
ICD-10 Guide
ICD-10 CodesO23.41

O23.41

Billable

Unspecified infection of urinary tract in pregnancy, first trimester

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/08/2025

Code Description

ICD-10 O23.41 is a billable code used to indicate a diagnosis of unspecified infection of urinary tract in pregnancy, first trimester.

Key Diagnostic Point:

Unspecified urinary tract infections (UTIs) during the first trimester of pregnancy can pose significant risks to both maternal and fetal health. These infections may present with symptoms such as dysuria, frequency, urgency, and suprapubic pain. In pregnant patients, UTIs can lead to complications such as pyelonephritis, preterm labor, and low birth weight if left untreated. The first trimester is a critical period for fetal development, making prompt diagnosis and treatment essential. Diagnosis typically involves urinalysis and urine culture to identify the causative organism. Treatment often includes antibiotics that are safe for use during pregnancy, such as nitrofurantoin or amoxicillin, while avoiding those contraindicated, like tetracyclines. Proper management of UTIs in pregnancy is crucial to ensure maternal well-being and optimal fetal outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in symptoms and presentation of UTIs in pregnancy
  • Need for accurate documentation of trimester and infection type
  • Differentiation from other urinary conditions (e.g., asymptomatic bacteriuria)
  • Potential for complications affecting coding and treatment

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings
  • Failure to specify the trimester of pregnancy
  • Misclassification of infection severity or type
  • Inconsistent coding of related conditions (e.g., pyelonephritis)

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation must include detailed patient history, symptoms, urinalysis results, and treatment plans.

Common Clinical Scenarios

A pregnant patient presents with dysuria and frequency; urinalysis reveals a UTI.

Billing Considerations

Coders must ensure that the infection is documented as occurring in the first trimester and note any treatment provided.

Maternal-Fetal Medicine

Documentation Requirements

High-risk pregnancy documentation must include comprehensive assessments of maternal and fetal health.

Common Clinical Scenarios

A patient with a history of recurrent UTIs presents for monitoring during pregnancy.

Billing Considerations

Consideration of the potential impact of UTIs on fetal development and maternal health is critical.

Coding Guidelines

Inclusion Criteria

Use O23.41 When
  • Coders should follow the official ICD
  • CM guidelines for obstetric coding, ensuring that the trimester is accurately documented and that the infection is coded appropriately based on clinical findings

Exclusion Criteria

Do NOT use O23.41 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

87086CPT Code

Urine culture, bacterial

Clinical Scenario

Used when a UTI is suspected in a pregnant patient.

Documentation Requirements

Document the reason for the culture and any symptoms present.

Specialty Considerations

Ensure that the culture results are linked to the diagnosis for accurate coding.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    CDC Guidelines for Antibiotic Use in Pregnancy

Coding & Billing References

  • •
    CDC Guidelines for Antibiotic Use in Pregnancy

Frequently Asked Questions

What are the common symptoms of a UTI in pregnancy?

Common symptoms include dysuria, increased frequency of urination, urgency, and suprapubic pain. Some women may also experience fever or flank pain if the infection progresses.