ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesO23.33

O23.33

Billable

Infections of other parts of urinary tract in pregnancy, third trimester

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

Code Description

ICD-10 O23.33 is a billable code used to indicate a diagnosis of infections of other parts of urinary tract in pregnancy, third trimester.

Key Diagnostic Point:

Infections of the urinary tract during pregnancy, particularly in the third trimester, can pose significant risks to both the mother and fetus. These infections may include pyelonephritis, cystitis, or urethritis, and can lead to complications such as preterm labor, low birth weight, and increased maternal morbidity. The third trimester is a critical period where the growing uterus can exert pressure on the bladder, leading to urinary stasis and increased susceptibility to infections. Symptoms may include dysuria, frequency, urgency, and flank pain. Diagnosis typically involves urinalysis and urine culture, and treatment often includes antibiotics that are safe for use during pregnancy. It is essential for healthcare providers to monitor and manage these infections promptly to mitigate risks associated with untreated urinary tract infections (UTIs).

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of urinary tract infections.
  • Understanding the implications of antibiotic safety in pregnancy.
  • Recognizing the potential complications for both mother and fetus.
  • Navigating documentation requirements for high-risk pregnancies.

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings.
  • Failure to specify the type of urinary tract infection.
  • Incorrect coding of antibiotic treatments.
  • Lack of follow-up documentation for treatment outcomes.

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

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

Common Clinical Scenarios

A pregnant patient presents with dysuria and flank pain, leading to a diagnosis of pyelonephritis.

Billing Considerations

Consideration of antibiotic safety and potential fetal effects is crucial in treatment planning.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive documentation of maternal and fetal health status, including any complications arising from UTIs.

Common Clinical Scenarios

Management of a high-risk pregnancy with recurrent urinary tract infections.

Billing Considerations

Close monitoring of both maternal and fetal well-being is necessary, especially in cases of severe infection.

Coding Guidelines

Inclusion Criteria

Use O23.33 When
  • Follow the official ICD
  • CM coding guidelines for obstetric conditions, ensuring that the code reflects the trimester of pregnancy and the specific type of infection
  • Documentation must support the diagnosis and treatment provided

Exclusion Criteria

Do NOT use O23.33 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 treatments.

Specialty Considerations

Consider the implications of antibiotic sensitivity in treatment planning.

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. This specificity aids in better tracking of maternal and fetal outcomes.

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. This specificity aids in better tracking of maternal and fetal outcomes.

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. This specificity aids in better tracking of maternal and fetal outcomes.

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 urinary tract infections in pregnancy?

Common symptoms include dysuria, increased frequency of urination, urgency, and flank pain. Pregnant women may also experience fever and chills if the infection is severe.