What is the ICD-10 code for a breast lump?

The ICD-10 code for an unspecified breast lump is N63.2 for the left breast and N63.10 for the right breast, unspecified quadrant.

How do you code a breast lump found during a mammogram?

Use N63.- codes for the lump and Z12.39 for the screening mammogram if the lump was found during routine screening.

ICD-10 Coding for Breast Lump(N63.2, C50.911, C50.912)

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Learn about ICD-10 coding for breast lumps, including primary and ancillary codes, documentation requirements, and common pitfalls.

Also known as:

Breast MassBreast Nodule

Related ICD-10 Code Ranges

Complete code families applicable to Breast Lump

N00-N99Primary Range

Diseases of the genitourinary system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
N63.2	Unspecified lump in the left breast	Use when a lump is identified in the left breast and the specific quadrant is not documented.	Physical examination findings Imaging results (e.g. mammography ultrasound)
N63.10	Unspecified lump in the right breast, unspecified quadrant	Use when a lump is identified in the right breast and the specific quadrant is not documented.	Physical examination findings Imaging results (e.g. mammography ultrasound)

Primary ICD-10-CM Codes

Unspecified lump in the left breast

N63.2

Differential Codes

Alternative codes to consider when ruling out similar conditions

Malignant neoplasm of left breast, unspecified siteC50.912

Malignant neoplasm of right breast, unspecified siteC50.911

Documentation & Coding Risks

Avoid these common issues when documenting Breast Lump.

Failing to document the quadrant of the breast lump

Impact

Clinical: May lead to incorrect treatment planning., Regulatory: Non-compliance with documentation standards., Financial: Potential for reduced reimbursement due to unspecified coding.

Mitigation

Use templates that prompt for quadrant documentation., Educate providers on the importance of specific documentation.

Using unspecified codes when quadrant information is available

Impact

Reimbursement: May lead to lower reimbursement rates due to lack of specificity., Compliance: Non-compliance with coding guidelines requiring specificity., Data Quality: Reduces the accuracy of clinical data for research and analysis.

Mitigation

Always document and code the specific quadrant when available.

Specificity in Breast Lump Coding

Impact

Audits may focus on the use of unspecified codes when specific information is available.

Mitigation

Ensure all documentation includes laterality and quadrant details.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with N63.2.

Primary Code

N63.2

Unspecified lump in the left breast

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ICD-10 codes5

Coding risks3

FAQs2

ICD-10 Coding for Breast Lump(N63.2, C50.911, C50.912)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for a breast lump?

How do you code a breast lump found during a mammogram?

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