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ICD-10 Guide
ICD-10 CodesR92.31

R92.31

Mammographic fatty tissue density of breast

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R92.31 is a billable code used to indicate a diagnosis of mammographic fatty tissue density of breast.

Key Diagnostic Point:

Mammographic fatty tissue density of the breast refers to the composition of breast tissue as seen on a mammogram, where the density of fatty tissue is assessed. This finding indicates that the breast contains a higher proportion of fatty tissue compared to glandular or fibrous tissue. Fatty tissue density is a significant factor in mammography as it can affect the visibility of lesions or abnormalities. High breast density can obscure tumors, making it more challenging to detect breast cancer. Conversely, lower density may facilitate easier detection of abnormalities. The assessment of breast density is crucial for risk stratification in breast cancer screening and may influence the frequency and type of screening recommended for patients. It is important to note that while fatty tissue density itself is not a disease, it is an important characteristic that can impact clinical decisions and patient management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in breast tissue composition among patients
  • Impact on mammography interpretation and follow-up recommendations
  • Need for correlation with clinical findings and patient history
  • Potential for misinterpretation as a pathological finding

Audit Risk Factors

  • Inadequate documentation of mammographic findings
  • Failure to correlate findings with clinical symptoms
  • Misuse of the code for non-specific breast findings
  • Inconsistent coding practices across providers

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Documentation should include the patient's breast density assessment, any related symptoms, and follow-up recommendations.

Common Clinical Scenarios

Patients presenting for routine screening mammograms or those with a family history of breast cancer.

Billing Considerations

Consideration of the patient's overall risk factors for breast cancer and the implications of breast density on screening protocols.

Emergency Medicine

Documentation Requirements

Acute care documentation should detail the reason for the mammogram, findings, and any immediate clinical implications.

Common Clinical Scenarios

Patients presenting with breast pain or palpable masses requiring urgent evaluation.

Billing Considerations

Emergency settings may require rapid assessment and documentation of findings to guide immediate management.

Coding Guidelines

Inclusion Criteria

Use R92.31 When
  • According to ICD
  • 10 coding guidelines, R92
  • 31 should be used when mammographic findings indicate fatty tissue density without any associated pathological findings
  • Coders should ensure that the documentation supports the use of this code and that it is not used inappropriately for other breast conditions

Exclusion Criteria

Do NOT use R92.31 When
No specific exclusions found.

Related CPT Codes

77067CPT Code

Mammography, bilateral, diagnostic

Clinical Scenario

Used when a diagnostic mammogram is performed due to abnormal findings.

Documentation Requirements

Documentation must include the reason for the diagnostic mammogram and findings.

Specialty Considerations

In breast specialty clinics, ensure that the findings correlate with the patient's risk factors.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of breast density findings, improving the granularity of data for breast cancer risk assessment and management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of breast density findings, improving the granularity of data for breast cancer risk assessment and management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of breast density findings, improving the granularity of data for breast cancer risk assessment and management.

Resources

Clinical References

  • •
    American College of Radiology - Breast Imaging

Coding & Billing References

  • •
    American College of Radiology - Breast Imaging

Frequently Asked Questions

What does R92.31 indicate?

R92.31 indicates that a mammogram has shown fatty tissue density in the breast, which is an important factor in assessing breast cancer risk.

Can R92.31 be used for patients with breast cancer?

R92.31 should not be used for patients with diagnosed breast cancer unless specifically indicating the density finding; it is primarily for screening purposes.