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v1.0.0
ICD-10 Guide
ICD-10 CodesN63.0

N63.0

Billable

Unspecified lump in unspecified breast

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

Code Description

ICD-10 N63.0 is a billable code used to indicate a diagnosis of unspecified lump in unspecified breast.

Key Diagnostic Point:

N63.0 refers to an unspecified lump in the breast, which may arise from various benign conditions such as fibrocystic changes, fibroadenomas, or other benign breast diseases. The lump may also be associated with mastitis, which is an infection of the breast tissue that can cause swelling and pain. Breast hypertrophy, characterized by excessive breast tissue growth, can also present as a lump. Patients may report symptoms such as nipple discharge, which can complicate the clinical picture. Imaging studies, including mammography and ultrasound, are often employed to evaluate breast lumps, helping to differentiate between benign and malignant conditions. Accurate diagnosis is crucial, as the management of benign breast conditions differs significantly from that of malignant ones. The unspecified nature of this code indicates that further evaluation is needed to determine the exact nature of the lump, necessitating thorough documentation and clinical correlation to guide appropriate treatment.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation of breast lumps
  • Need for differential diagnosis to rule out malignancy
  • Potential for overlapping symptoms with other breast conditions
  • Documentation requirements for imaging and clinical findings

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify the location of the lump
  • Lack of imaging results in the medical record
  • Inconsistent coding practices among providers

Specialty Focus

Medical Specialties

Oncology

Documentation Requirements

Detailed imaging reports and pathology results are essential for accurate coding.

Common Clinical Scenarios

Patients presenting with breast lumps requiring further evaluation for malignancy.

Billing Considerations

Ensure that all findings from imaging and biopsies are documented to support the diagnosis.

Radiology

Documentation Requirements

Comprehensive imaging reports detailing the characteristics of the lump.

Common Clinical Scenarios

Breast imaging for patients with palpable lumps or abnormal findings on screening mammograms.

Billing Considerations

Radiologists should provide clear descriptions of findings to aid in accurate coding.

Coding Guidelines

Inclusion Criteria

Use N63.0 When
  • According to ICD
  • 10 guidelines, N63
  • 0 should be used when the clinician has identified a lump in the breast but has not specified its nature or location
  • Coders should ensure that the documentation supports the use of this code and that all relevant clinical information is included

Exclusion Criteria

Do NOT use N63.0 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

77067CPT Code

Mammography, bilateral

Clinical Scenario

Used for screening or diagnostic evaluation of breast lumps.

Documentation Requirements

Mammography reports must be included in the medical record.

Specialty Considerations

Radiologists should ensure clear communication of findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specificity in coding breast conditions, but the use of unspecified codes like N63.0 may lead to increased scrutiny during audits. Coders must ensure that documentation supports the use of this code to avoid potential denials.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specificity in coding breast conditions, but the use of unspecified codes like N63.0 may lead to increased scrutiny during audits. Coders must ensure that documentation supports the use of this code to avoid potential denials.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specificity in coding breast conditions, but the use of unspecified codes like N63.0 may lead to increased scrutiny during audits. Coders must ensure that documentation supports the use of this code to avoid potential denials.

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 should I document when coding N63.0?

Document the clinical findings, imaging results, and any relevant history. Ensure that the location of the lump is noted, and include any differential diagnoses considered.