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ICD-10 Coding for Breast Mass(N63, C50.911)

Complete ICD-10-CM coding and documentation guide for Breast Mass. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Breast LumpBreast NoduleBreast Tumor

Related ICD-10 Code Ranges

Complete code families applicable to Breast Mass

N63Primary Range

Unspecified lump in breast

Used for breast masses when specific details such as laterality and quadrant are not documented.

Malignant neoplasm of breast

Used when a breast mass is confirmed to be malignant.

Benign neoplasm of breast

Used for benign breast masses confirmed by pathology.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
N63Unspecified lump in breastUse when the documentation does not specify laterality or quadrant.
  • Physical examination indicating a palpable mass
  • Imaging studies such as mammogram or ultrasound
C50.911Malignant neoplasm of unspecified site of right female breastUse when malignancy is confirmed and specific site is not documented.
  • Pathology report confirming malignancy
  • Imaging studies supporting a malignant process

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for breast mass

Essential facts and insights about Breast Mass

The ICD-10 code for an unspecified breast mass is N63. For confirmed malignancies, use codes from the C50 range.

Primary ICD-10-CM Codes for breast mass

Unspecified lump in breast
Non-billable Code

Decision Criteria

documentation Criteria

  • Lack of specific details such as laterality or quadrant.

Applicable To

  • Breast lump
  • Breast nodule

Excludes

  • Malignant neoplasm of breast (C50.-)
  • Benign neoplasm of breast (D24.-)

Clinical Validation Requirements

  • Physical examination indicating a palpable mass
  • Imaging studies such as mammogram or ultrasound

Code-Specific Risks

  • Risk of under-coding if specific details are available but not documented.

Coding Notes

  • Ensure documentation includes as much detail as possible to avoid using unspecified codes.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Other abnormal and inconclusive findings on diagnostic imaging of breast

R92.8
Use when imaging findings are abnormal but not specific to a diagnosis.

Personal history of malignant neoplasm of breast

Z85.3
Use for patients with a history of breast cancer.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Malignant neoplasm of unspecified site of right female breast

C50.911
Use when malignancy is confirmed by pathology.

Benign neoplasm of unspecified breast

D24.9
Use when a benign condition is confirmed by pathology.

Unspecified lump in breast

N63
Use when malignancy is not confirmed.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Breast Mass to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N63.

Impact

Clinical: May lead to incorrect diagnosis and treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims.

Mitigation Strategy

Ensure imaging reports are included in the patient's record., Cross-check documentation before coding.

Impact

Reimbursement: May lead to lower reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of clinical data.

Mitigation Strategy

Document laterality and quadrant to use more specific codes.

Impact

High risk of audit if unspecified codes are used when specific details are available.

Mitigation Strategy

Ensure thorough documentation of all relevant clinical details.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Breast Mass, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Breast Mass

Use these documentation templates to ensure complete and accurate documentation for Breast Mass. These templates include all required elements for proper coding and billing.

Breast mass evaluation

Specialty: Radiology

Required Elements

  • Laterality
  • Quadrant
  • Size in two dimensions
  • Imaging findings

Example Documentation

Patient presents with a 2 cm mass in the upper outer quadrant of the right breast, 3 cm from the nipple. Ultrasound shows a hypoechoic lesion with irregular margins.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Breast mass noted.
Good Documentation Example
2 cm mass in the upper outer quadrant of the right breast, 3 cm from the nipple, irregular margins on ultrasound.
Explanation
The good example provides specific details necessary for accurate coding.

Need help with ICD-10 coding for Breast Mass? Ask your questions below.

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