ICD-10 Guide

Abnormal Menstrual Bleeding

ICD-10 Coding for Abnormal Menstrual Bleeding(N92.0, N92.1, N93.8)

PRIMARY SPECIALTYOB/GYN

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Abnormal Menstrual Bleeding?

Abnormal menstrual bleeding refers to any deviation from the normal menstrual cycle, including changes in frequency, duration, or volume of bleeding. Key clinical points include: 1) It can be caused by hormonal imbalances, uterine abnormalities, or systemic conditions. 2) Symptoms may include heavy menstrual bleeding (menorrhagia), irregular cycles, or bleeding between periods (metrorrhagia). 3) Diagnosis often involves a thorough history, physical examination, and may include imaging or laboratory tests. Typical use cases for this diagnosis code include patients presenting with heavy menstrual bleeding, irregular cycles, or postmenopausal bleeding. Etiologically, it can stem from conditions such as fibroids, polyps, or endometrial hyperplasia. Pathophysiologically, it may involve disruptions in the hypothalamic-pituitary-ovarian axis. Clinically, patients may report fatigue, anemia, or significant lifestyle impact due to bleeding patterns.

Key Clinical Considerations:

Diagnosis requires a detailed patient history and physical examination to identify the nature of the bleeding.
Signs include prolonged bleeding, bleeding between periods, or excessive menstrual flow; symptoms may include fatigue or anemia.
Resolution criteria may involve normalization of menstrual patterns following treatment.
Laboratory findings may include complete blood count (CBC) to assess for anemia, and imaging may include ultrasound to evaluate uterine structure.

Clinical Information

Clinical Criteria & Documentation Requirements

Documentation must include the patient's menstrual history, symptoms, and any relevant physical examination findings.
Compliant documentation includes clear descriptions of bleeding patterns and associated symptoms; non-compliant documentation may lack specificity.
Template phrases include: 'Patient reports heavy menstrual bleeding for the past 3 months' or 'Physical exam reveals signs of anemia.'
Medical necessity documentation should justify the need for diagnostic tests or treatments based on clinical findings.

Coding Guidelines

Usage Guidelines & Examples

Use this code when a patient presents with abnormal bleeding patterns that do not fit other specific diagnoses, such as fibroids or endometriosis.
Do not use this code if the bleeding is due to a known condition that has its own specific ICD-10 code.
Correct usage example: 'Patient diagnosed with menorrhagia, N92.0'; incorrect usage: 'Patient with fibroids coded as N92.0.'
Common errors include using this code for bleeding due to pregnancy-related conditions; ensure to verify the underlying cause.

Code Exclusions

Important Exclusions

Excluded conditions include pregnancy-related bleeding (O20) and bleeding due to malignancies (C53).
Alternative codes for exclusions may include O20 for early pregnancy complications.
Common exclusion errors involve misclassifying pregnancy-related bleeding as abnormal menstrual bleeding.
Certain conditions are excluded to ensure accurate coding and appropriate treatment pathways.

Specialty Focus

Primary Specialty

OB/GYN

Specialty Applications

This diagnosis applies to conditions such as menorrhagia, metrorrhagia, and postmenopausal bleeding.
Appropriate clinical scenarios include patients presenting with heavy or irregular menstrual cycles.
Applicable in various practice settings, including outpatient gynecology clinics and emergency departments.
Specialty-specific considerations include the need for thorough evaluation in OB/GYN practices.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

Comprehensive clinical documentation
Accurate code selection based on clinical criteria
Proper exclusion considerations
Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Abnormal menstrual bleeding diagnosed based on patient history and physical examination findings.'

Template 2

Template: 'Patient presents with heavy menstrual bleeding consistent with N92.0 diagnosis.'

Template 3

Template: 'Diagnostic criteria met: excessive bleeding for more than 7 days with associated fatigue.'

Template 4

Template: 'Treatment plan includes hormonal therapy for abnormal menstrual bleeding.'

Billing Information

Billing Considerations

Ensure proper documentation for billing
Verify code specificity requirements
Check for any additional codes needed
Review payer-specific guidelines

Common Issues

Insufficient clinical documentation
Incorrect code selection
Missing supporting diagnoses
Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this code?

Detailed documentation should include menstrual history, symptoms, and any diagnostic tests performed.

When should this code be used vs similar codes?

Use this code for abnormal bleeding not attributable to specific conditions; refer to specific codes for known causes.

What are common billing issues with this code?

Reimbursement may be denied if documentation does not support medical necessity; ensure thorough documentation.

What procedures are commonly associated?

Related CPT codes may include pelvic ultrasound (76856) and endometrial biopsy (58100).

What is Abnormal Menstrual Bleeding?

Key Clinical Considerations:

Diagnosis requires a detailed patient history and physical examination to identify the nature of the bleeding.
Signs include prolonged bleeding, bleeding between periods, or excessive menstrual flow; symptoms may include fatigue or anemia.
Resolution criteria may involve normalization of menstrual patterns following treatment.
Laboratory findings may include complete blood count (CBC) to assess for anemia, and imaging may include ultrasound to evaluate uterine structure.

Abnormal Menstrual Bleeding

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?

Abnormal Menstrual Bleeding

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?