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v1.0.0
ICD-10 Guide
ICD-10 CodesO00.2

O00.2

Billable

Ovarian pregnancy

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

Code Description

ICD-10 O00.2 is a billable code used to indicate a diagnosis of ovarian pregnancy.

Key Diagnostic Point:

Ovarian pregnancy is a rare type of ectopic pregnancy where the fertilized ovum implants on the surface of an ovary. This condition is classified under ectopic pregnancies, which occur when implantation happens outside the uterine cavity. Ovarian pregnancies can be challenging to diagnose due to their atypical presentation, often mimicking other conditions such as ruptured ovarian cysts or acute abdomen. Symptoms may include unilateral pelvic pain, abnormal vaginal bleeding, and signs of an acute abdomen. Surgical management is typically required, often involving laparoscopic or open surgery to remove the ectopic tissue and preserve ovarian function when possible. Methotrexate treatment is generally not indicated for ovarian pregnancies due to the risk of ovarian damage and the need for surgical intervention. Early recognition and appropriate management are crucial to prevent complications such as hemorrhage and to ensure the safety of the patient.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Rarity of the condition leading to potential misdiagnosis
  • Need for precise documentation of surgical procedures
  • Differentiation from other types of ectopic pregnancies
  • Variability in clinical presentation

Audit Risk Factors

  • Inadequate documentation of surgical findings
  • Failure to specify the type of ectopic pregnancy
  • Misclassification of ovarian pregnancy as a tubal pregnancy
  • Lack of follow-up documentation post-surgery

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed surgical notes, imaging reports, and pathology results are essential for accurate coding.

Common Clinical Scenarios

Patients presenting with unilateral pelvic pain and abnormal bleeding, requiring differential diagnosis from other gynecological conditions.

Billing Considerations

Coders must ensure clarity in documentation to distinguish ovarian pregnancy from other ectopic types.

Maternal-Fetal Medicine

Documentation Requirements

Comprehensive documentation of maternal health status and fetal monitoring, if applicable.

Common Clinical Scenarios

Management of high-risk patients with a history of ectopic pregnancies or other complications.

Billing Considerations

High-risk factors must be documented to support the complexity of care provided.

Coding Guidelines

Inclusion Criteria

Use O00.2 When
  • Follow the official ICD
  • CM coding guidelines for obstetric conditions, ensuring accurate coding based on clinical documentation and the specific circumstances of the pregnancy

Exclusion Criteria

Do NOT use O00.2 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58661CPT Code

Laparoscopy, surgical, with removal of ectopic pregnancy

Clinical Scenario

Used when performing surgery for an ovarian pregnancy.

Documentation Requirements

Surgical notes must detail the procedure and findings.

Specialty Considerations

Obstetricians must document the surgical approach and any complications.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of ectopic pregnancies, including ovarian pregnancies, which aids in better tracking and management of these rare conditions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of ectopic pregnancies, including ovarian pregnancies, which aids in better tracking and management of these rare conditions.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of ectopic pregnancies, including ovarian pregnancies, which aids in better tracking and management of these rare conditions.

Resources

Clinical References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Coding & Billing References

  • •
    American College of Obstetricians and Gynecologists (ACOG)

Frequently Asked Questions

What is the primary treatment for ovarian pregnancy?

The primary treatment for ovarian pregnancy is surgical intervention, typically through laparoscopic surgery, to remove the ectopic tissue and preserve ovarian function when possible.