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ICD-10 Guide
ICD-10 CodesC57.02

C57.02

Billable

Malignant neoplasm of left fallopian tube

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 C57.02 is a billable code used to indicate a diagnosis of malignant neoplasm of left fallopian tube.

Key Diagnostic Point:

Malignant neoplasm of the left fallopian tube is a rare gynecologic malignancy characterized by the uncontrolled growth of abnormal cells in the left fallopian tube. This condition often presents with non-specific symptoms such as abdominal pain, abnormal vaginal bleeding, or pelvic mass. Diagnosis typically involves imaging studies, such as ultrasound or CT scans, and histopathological examination following biopsy or surgical resection. The staging of fallopian tube cancer is crucial for determining treatment options and prognosis, with stages ranging from localized disease (Stage I) to advanced disease (Stage IV) involving distant metastasis. CA-125, a tumor marker, is often elevated in patients with fallopian tube cancer and can be used to monitor treatment response and disease recurrence. Surgical intervention, including salpingo-oophorectomy or total abdominal hysterectomy with staging, is the primary treatment modality, often followed by chemotherapy depending on the stage and histological type of the tumor.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Rarity of the condition leading to potential misdiagnosis
  • Need for precise staging to determine treatment
  • Variability in presentation and symptoms
  • Potential for co-existing gynecologic conditions

Audit Risk Factors

  • Inadequate documentation of staging
  • Failure to link diagnosis with appropriate surgical procedures
  • Misinterpretation of imaging results
  • Inconsistent use of CA-125 levels in documentation

Specialty Focus

Medical Specialties

Gynecologic Oncology

Documentation Requirements

Detailed surgical reports, pathology results, and staging information.

Common Clinical Scenarios

Diagnosis and treatment planning for patients with suspected fallopian tube malignancy.

Billing Considerations

Ensure accurate staging and documentation of tumor markers like CA-125.

Radiology

Documentation Requirements

Comprehensive imaging reports detailing findings related to the fallopian tube.

Common Clinical Scenarios

Imaging for suspected gynecologic malignancies.

Billing Considerations

Clear documentation of imaging techniques and findings to support diagnosis.

Coding Guidelines

Inclusion Criteria

Use C57.02 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the malignancy's location, staging, and any associated procedures
  • Include relevant clinical findings and treatment plans

Exclusion Criteria

Do NOT use C57.02 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58661CPT Code

Laparoscopic salpingo-oophorectomy

Clinical Scenario

Used for surgical treatment of left fallopian tube malignancy.

Documentation Requirements

Operative report detailing the procedure and findings.

Specialty Considerations

Ensure accurate coding based on the surgical approach and findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of gynecologic malignancies, improving data accuracy and enhancing treatment planning.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of gynecologic malignancies, improving data accuracy and enhancing treatment planning.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of gynecologic malignancies, improving data accuracy and enhancing treatment planning.

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 significance of CA-125 in diagnosing fallopian tube cancer?

CA-125 is a tumor marker that is often elevated in patients with fallopian tube cancer. It is used to aid in diagnosis, monitor treatment response, and check for recurrence.