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ICD-10 Guide
ICD-10 CodesN92.1

N92.1

Billable

Excessive and frequent menstruation with irregular cycle

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/18/2025

Code Description

ICD-10 N92.1 is a billable code used to indicate a diagnosis of excessive and frequent menstruation with irregular cycle.

Key Diagnostic Point:

Excessive and frequent menstruation with irregular cycle, classified under N92.1, refers to a condition where a woman experiences heavy menstrual bleeding (menorrhagia) and irregularities in her menstrual cycle. This condition can manifest as prolonged bleeding, cycles that are shorter or longer than the typical 21-35 days, or unpredictable bleeding patterns. The etiology of this condition can be multifactorial, including hormonal imbalances, uterine abnormalities such as fibroids or polyps, and systemic conditions like thyroid disorders or clotting disorders. It is essential for healthcare providers to conduct a thorough evaluation, including a detailed patient history, physical examination, and possibly imaging studies or laboratory tests, to determine the underlying cause. Management may involve medical therapies such as hormonal treatments or surgical interventions depending on the severity and underlying cause. Accurate coding of this condition is crucial for appropriate treatment and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes that can lead to the condition.
  • Need for comprehensive documentation to support diagnosis.
  • Potential overlap with other menstrual disorders.
  • Variability in clinical presentation among patients.

Audit Risk Factors

  • Inadequate documentation of symptoms and duration.
  • Failure to specify underlying causes.
  • Misclassification with other menstrual disorders.
  • Lack of supporting diagnostic tests.

Specialty Focus

Medical Specialties

Obstetrics and Gynecology

Documentation Requirements

Detailed menstrual history, physical examination findings, and results of any imaging or laboratory tests.

Common Clinical Scenarios

Patients presenting with heavy menstrual bleeding, irregular cycles, or associated symptoms like pelvic pain.

Billing Considerations

Ensure that all relevant symptoms and potential underlying conditions are documented to support the diagnosis.

Endocrinology

Documentation Requirements

Thorough evaluation of hormonal levels and related endocrine disorders.

Common Clinical Scenarios

Patients with suspected hormonal imbalances contributing to menstrual irregularities.

Billing Considerations

Document any endocrine evaluations and their results to justify the diagnosis.

Coding Guidelines

Inclusion Criteria

Use N92.1 When
  • According to ICD
  • 10 coding guidelines, N92
  • 1 should be used when excessive menstruation is accompanied by irregular cycles
  • Coders must ensure that the documentation supports the diagnosis and that any underlying conditions are also coded appropriately

Exclusion Criteria

Do NOT use N92.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

58150CPT Code

Total abdominal hysterectomy

Clinical Scenario

Used when surgical intervention is required for excessive bleeding due to structural abnormalities.

Documentation Requirements

Operative report detailing the indication for surgery and findings.

Specialty Considerations

Obstetricians should ensure that the reason for surgery aligns with the diagnosis.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of menstrual disorders, including N92.1, which helps in better tracking and management of these conditions. It has improved the granularity of data for research and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of menstrual disorders, including N92.1, which helps in better tracking and management of these conditions. It has improved the granularity of data for research and treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of menstrual disorders, including N92.1, which helps in better tracking and management of these conditions. It has improved the granularity of data for research and treatment outcomes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What are the common causes of excessive and frequent menstruation?

Common causes include hormonal imbalances, uterine fibroids, polyps, endometriosis, and systemic conditions such as thyroid disorders.

How can I differentiate between N92.1 and other menstrual disorder codes?

N92.1 specifically requires documentation of both excessive bleeding and irregular cycles, while other codes may focus on one aspect.