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v1.0.0
ICD-10 Guide
ICD-10 CodesN63.2

N63.2

Billable

Unspecified lump in the left breast

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

Code Description

ICD-10 N63.2 is a billable code used to indicate a diagnosis of unspecified lump in the left breast.

Key Diagnostic Point:

N63.2 refers to an unspecified lump located in the left breast. This code is used when a patient presents with a palpable mass in the breast that has not been definitively diagnosed as benign or malignant. The lump may arise from various benign breast diseases, such as fibrocystic changes, fibroadenomas, or lipomas. It is essential to differentiate these from more serious conditions like breast cancer. The clinical evaluation often includes a thorough history and physical examination, followed by imaging studies such as mammography or ultrasound to assess the characteristics of the lump. In some cases, a biopsy may be necessary to establish a definitive diagnosis. The presence of nipple discharge, breast pain, or changes in breast size may accompany the lump, and these factors can influence the clinical management and coding. Accurate documentation of the lump's characteristics, associated symptoms, and any imaging or biopsy results is crucial for proper coding and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and underlying causes of breast lumps.
  • Need for thorough documentation to differentiate between benign and malignant conditions.
  • Potential for additional imaging or procedures that may complicate coding.
  • Variability in physician specialty and their documentation practices.

Audit Risk Factors

  • Inadequate documentation of the lump's characteristics.
  • Failure to document imaging studies or biopsy results.
  • Misclassification of benign versus malignant conditions.
  • Lack of follow-up documentation for unresolved lumps.

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed documentation of imaging results, biopsy findings, and treatment plans.

Common Clinical Scenarios

Patients presenting with breast lumps requiring further evaluation for malignancy.

Billing Considerations

Ensure accurate coding based on pathology results and treatment modalities.

Radiology

Documentation Requirements

Comprehensive reports on imaging studies, including mammograms and ultrasounds.

Common Clinical Scenarios

Imaging evaluations of breast lumps to determine the need for biopsy.

Billing Considerations

Clear communication of findings to referring physicians for accurate coding.

Coding Guidelines

Inclusion Criteria

Use N63.2 When
  • According to official coding guidelines, N63
  • 2 should be used when the lump is not specified as benign or malignant
  • Coders must ensure that the documentation supports the diagnosis and that any imaging or biopsy results are accurately reflected in the medical record

Exclusion Criteria

Do NOT use N63.2 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

77067CPT Code

Mammography, bilateral, including CAD

Clinical Scenario

Used when imaging is performed to evaluate a breast lump.

Documentation Requirements

Document the reason for the mammogram and findings.

Specialty Considerations

Radiologists should ensure clear communication of findings to referring providers.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of breast conditions, including the ability to differentiate between lumps in the left and right breast. This specificity aids in better tracking and management of breast health issues.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of breast conditions, including the ability to differentiate between lumps in the left and right breast. This specificity aids in better tracking and management of breast health issues.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of breast conditions, including the ability to differentiate between lumps in the left and right breast. This specificity aids in better tracking and management of breast health issues.

Resources

Clinical References

  • •
    American College of Radiology - Breast Imaging

Coding & Billing References

  • •
    American College of Radiology - Breast Imaging

Frequently Asked Questions

What should I document when coding N63.2?

Document the characteristics of the lump, any associated symptoms, imaging results, and follow-up plans to ensure accurate coding.