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ICD-10 Guide
ICD-10 CodesO23.1

O23.1

Billable

Infections of bladder in pregnancy

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

Code Description

ICD-10 O23.1 is a billable code used to indicate a diagnosis of infections of bladder in pregnancy.

Key Diagnostic Point:

Infections of the bladder, commonly referred to as urinary tract infections (UTIs), are prevalent during pregnancy due to physiological changes that occur in the urinary system. These changes include increased urinary stasis and alterations in the immune response, which can predispose pregnant individuals to infections. Symptoms may include dysuria, frequency, urgency, and suprapubic pain. If left untreated, bladder infections can lead to more severe complications such as pyelonephritis, which poses risks to both the mother and fetus. 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. Close monitoring and follow-up are essential to ensure resolution of the infection and to prevent recurrence.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between acute and recurrent infections
  • Identifying appropriate antibiotic therapy considering pregnancy safety
  • Understanding the implications of untreated infections on maternal and fetal health
  • Navigating documentation requirements for both obstetric and urologic conditions

Audit Risk Factors

  • Inadequate documentation of symptoms and treatment plans
  • Failure to specify the type of infection (acute vs. recurrent)
  • Incorrect coding of antibiotic therapy used
  • Lack of follow-up documentation post-treatment

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Documentation should include patient history, presenting symptoms, diagnostic tests performed, and treatment plans.

Common Clinical Scenarios

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

Billing Considerations

Coders must ensure that the infection is documented as occurring during pregnancy and note any complications.

Maternal-Fetal Medicine

Documentation Requirements

Detailed documentation of maternal health status, fetal monitoring, and any high-risk factors.

Common Clinical Scenarios

A high-risk pregnant patient with a history of recurrent UTIs is monitored closely for signs of infection.

Billing Considerations

Consideration of maternal-fetal implications and the need for potential hospitalization or specialized care.

Coding Guidelines

Inclusion Criteria

Use O23.1 When
  • Coders should follow the official ICD
  • CM guidelines for obstetric coding, ensuring that the condition is linked to the pregnancy and that all relevant documentation is complete

Exclusion Criteria

Do NOT use O23.1 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 and requires confirmation of the infection.

Documentation Requirements

Document the reason for the culture and any previous UTI history.

Specialty Considerations

Ensure that the culture results are linked to the obstetric diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of urinary tract infections in pregnancy, 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 urinary tract infections in pregnancy, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    CDC Guidelines for Urinary Tract Infections in Pregnancy

Coding & Billing References

  • •
    CDC Guidelines for Urinary Tract Infections in Pregnancy

Frequently Asked Questions

What are the common symptoms of bladder infections in pregnancy?

Common symptoms include dysuria, increased frequency and urgency of urination, and suprapubic pain. It's important for pregnant patients to report these symptoms promptly to their healthcare provider.