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ICD-10 Guide
ICD-10 CodesO23.599

O23.599

Billable

Infection of other part of genital tract in pregnancy, unspecified trimester

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

Code Description

ICD-10 O23.599 is a billable code used to indicate a diagnosis of infection of other part of genital tract in pregnancy, unspecified trimester.

Key Diagnostic Point:

Infections of the genital tract during pregnancy can pose significant risks to both the mother and the fetus. The code O23.599 is used to classify infections that occur in parts of the genital tract not specifically defined elsewhere in the ICD-10 coding system. These infections may include conditions such as vaginitis, cervicitis, or infections of the vulva and perineum. Symptoms can vary widely, including abnormal discharge, itching, and discomfort. The management of these infections is crucial, as untreated infections can lead to complications such as preterm labor, low birth weight, and even maternal morbidity. Treatment typically involves the use of antibiotics, which must be carefully selected to ensure safety during pregnancy. Commonly prescribed antibiotics, such as penicillins and cephalosporins, are generally considered safe, while others may pose risks. Therefore, it is essential for healthcare providers to assess the specific type of infection and the trimester of pregnancy when determining the appropriate treatment plan.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential infections that can be coded under this category
  • Need for precise documentation of symptoms and clinical findings
  • Differentiation from other obstetric codes related to infections
  • Consideration of antibiotic safety and potential effects on pregnancy

Audit Risk Factors

  • Inadequate documentation of the specific infection type
  • Failure to specify the trimester of pregnancy
  • Incorrect linkage of diagnosis to treatment provided
  • Lack of follow-up documentation on treatment outcomes

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed documentation of symptoms, clinical findings, and treatment plans is essential. Providers should note the specific type of infection and any relevant patient history.

Common Clinical Scenarios

Common scenarios include a pregnant patient presenting with symptoms of vaginitis or cervicitis, requiring evaluation and treatment.

Billing Considerations

Coders must ensure that the documentation supports the diagnosis and that any prescribed antibiotics are safe for use during pregnancy.

Maternal-Fetal Medicine

Documentation Requirements

High-risk pregnancies require comprehensive documentation, including maternal history, infection type, and potential fetal implications.

Common Clinical Scenarios

Complex cases may involve multiple infections or co-morbidities that affect treatment decisions.

Billing Considerations

High-risk coding requires careful attention to detail and understanding of the implications of infections on both maternal and fetal health.

Coding Guidelines

Inclusion Criteria

Use O23.599 When
  • According to official coding guidelines, O23
  • 599 should be used when the specific site of infection is not classified elsewhere
  • Coders must ensure that the diagnosis is supported by clinical documentation and that the infection is confirmed

Exclusion Criteria

Do NOT use O23.599 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits for patients diagnosed with genital tract infections during pregnancy.

Documentation Requirements

Documentation must include the reason for the visit, assessment of symptoms, and treatment plan.

Specialty Considerations

Obstetricians should ensure that the visit is clearly linked to the management of the infection.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of infections during pregnancy, improving the accuracy of data collection and treatment tracking. O23.599 provides a means to capture infections that do not fit neatly into other categories, enhancing clinical understanding and management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of infections during pregnancy, improving the accuracy of data collection and treatment tracking. O23.599 provides a means to capture infections that do not fit neatly into other categories, enhancing clinical understanding and management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of infections during pregnancy, improving the accuracy of data collection and treatment tracking. O23.599 provides a means to capture infections that do not fit neatly into other categories, enhancing clinical understanding and management.

Resources

Clinical References

  • •
    CDC Guidelines for Antibiotic Use in Pregnancy

Coding & Billing References

  • •
    CDC Guidelines for Antibiotic Use in Pregnancy

Frequently Asked Questions

What types of infections are included under O23.599?

O23.599 encompasses a variety of infections affecting parts of the genital tract not specifically classified elsewhere, such as vaginitis, cervicitis, and infections of the vulva and perineum. It is important to document the specific type of infection for accurate coding.