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v1.0.0
ICD-10 Guide
ICD-10 CodesO23.90

O23.90

Billable

Unspecified genitourinary tract infection in pregnancy, unspecified trimester

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

Code Description

ICD-10 O23.90 is a billable code used to indicate a diagnosis of unspecified genitourinary tract infection in pregnancy, unspecified trimester.

Key Diagnostic Point:

Genitourinary tract infections (UTIs) during pregnancy are common and can pose significant risks to both the mother and fetus if left untreated. These infections can range from asymptomatic bacteriuria to pyelonephritis, which can lead to complications such as preterm labor, low birth weight, and increased maternal morbidity. The diagnosis of an unspecified genitourinary tract infection in pregnancy indicates that the specific type of infection has not been determined, which may require further investigation. Common symptoms may include dysuria, frequency, urgency, and suprapubic pain. Treatment typically involves the use of antibiotics that are safe for use during pregnancy, such as nitrofurantoin or amoxicillin, while avoiding those that may pose risks to fetal development, such as tetracyclines or fluoroquinolones. Regular screening for UTIs in pregnant women is recommended, particularly during the first and third trimesters, to ensure early detection and management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in symptoms and presentation of genitourinary infections.
  • Need for differentiation between types of infections (e.g., cystitis vs. pyelonephritis).
  • Potential for overlapping symptoms with other pregnancy-related conditions.
  • Documentation requirements for antibiotic safety and efficacy in pregnancy.

Audit Risk Factors

  • Inadequate documentation of symptoms and treatment.
  • Failure to specify the trimester of pregnancy.
  • Misclassification of the type of genitourinary infection.
  • Inconsistent use of antibiotic safety information.

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed documentation of symptoms, laboratory results, and treatment plans is essential for accurate coding.

Common Clinical Scenarios

A pregnant patient presents with dysuria and frequency; urine culture confirms a UTI.

Billing Considerations

Coders must ensure that the documentation reflects the specific trimester and any complications that may arise.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive documentation of maternal and fetal health, including any high-risk factors.

Common Clinical Scenarios

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

Billing Considerations

High-risk pregnancies may require additional coding for associated conditions and complications.

Coding Guidelines

Inclusion Criteria

Use O23.90 When
  • According to ICD
  • 10 coding guidelines, coders must ensure that the diagnosis is supported by clinical documentation and that the appropriate trimester is indicated
  • The unspecified nature of the infection necessitates careful review of patient records to ensure accurate coding

Exclusion Criteria

Do NOT use O23.90 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

87086CPT Code

Urine culture, bacterial

Clinical Scenario

Used when a pregnant patient presents with UTI symptoms.

Documentation Requirements

Document the reason for the culture and any prior history of UTIs.

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 diagnoses and treatment plans. O23.90 reflects the need for specificity in coding genitourinary infections during pregnancy.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, improving the accuracy of diagnoses and treatment plans. O23.90 reflects the need for specificity in coding genitourinary infections during pregnancy.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of obstetric conditions, improving the accuracy of diagnoses and treatment plans. O23.90 reflects the need for specificity in coding genitourinary infections during pregnancy.

Resources

Clinical References

  • •
    CDC Guidelines for Treating UTIs in Pregnancy

Coding & Billing References

  • •
    CDC Guidelines for Treating UTIs in Pregnancy

Frequently Asked Questions

What are the common treatments for UTIs in pregnancy?

Common treatments include antibiotics such as nitrofurantoin and amoxicillin, which are considered safe during pregnancy. It is important to avoid certain antibiotics like tetracyclines and fluoroquinolones due to potential risks to fetal development.