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ICD-10 Guide
ICD-10 CodesR92.312

R92.312

Mammographic fatty tissue density, left breast

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

Code Description

ICD-10 R92.312 is a billable code used to indicate a diagnosis of mammographic fatty tissue density, left breast.

Key Diagnostic Point:

Mammographic fatty tissue density refers to the composition of breast tissue as seen on a mammogram, where the density of fatty tissue can influence the visibility of abnormalities. In the left breast, this finding indicates that the breast tissue is predominantly composed of fatty tissue, which may be a normal variant or a result of hormonal changes, age, or weight fluctuations. Fatty tissue density can affect the sensitivity of mammograms, as denser breast tissue can obscure lesions or tumors. It is essential for healthcare providers to interpret these findings in conjunction with clinical history and other imaging studies to ensure accurate diagnosis and management. Patients with higher fatty tissue density may have a lower risk of breast cancer, but this does not eliminate the need for regular screening and monitoring. The clinical context surrounding this finding is crucial, as it may lead to further evaluation if there are other concerning signs or symptoms present.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in breast tissue density among patients
  • Need for correlation with clinical findings and history
  • Potential for misinterpretation of mammographic results
  • Documentation requirements for accurate coding

Audit Risk Factors

  • Inadequate documentation of mammographic findings
  • Failure to correlate with clinical symptoms
  • Misuse of the code in the absence of imaging results
  • Inconsistent coding practices across providers

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed patient history, including risk factors and any previous breast conditions.

Common Clinical Scenarios

Routine screening mammograms showing fatty tissue density without other abnormalities.

Billing Considerations

Ensure that any additional findings or patient symptoms are documented to support the coding.

Emergency Medicine

Documentation Requirements

Acute care notes should include any presenting symptoms related to breast pain or lumps.

Common Clinical Scenarios

Patients presenting with breast pain or palpable masses requiring imaging.

Billing Considerations

Document any acute findings that may necessitate further evaluation or intervention.

Coding Guidelines

Inclusion Criteria

Use R92.312 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when mammographic findings specifically indicate fatty tissue density in the left breast
  • Documentation must support the diagnosis and any related clinical findings

Exclusion Criteria

Do NOT use R92.312 When
No specific exclusions found.

Related CPT Codes

77067CPT Code

Digital mammography, bilateral

Clinical Scenario

Used when performing a screening mammogram that reveals fatty tissue density.

Documentation Requirements

Document the reason for the mammogram and any findings.

Specialty Considerations

Ensure that the mammogram is performed in accordance with screening guidelines.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of breast findings, improving the accuracy of data collection and reimbursement processes. R92.312 provides granularity that was not available in ICD-9, allowing for better tracking of breast health outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of breast findings, improving the accuracy of data collection and reimbursement processes. R92.312 provides granularity that was not available in ICD-9, allowing for better tracking of breast health outcomes.

Reimbursement & Billing Impact

reimbursement processes. R92.312 provides granularity that was not available in ICD-9, allowing for better tracking of breast health 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 does R92.312 indicate?

R92.312 indicates that a mammogram has shown fatty tissue density in the left breast, which is an important finding for assessing breast health.