Outpatient Facility Coding Alert - 2017 Issue 7
Reader Question: Go to 7th Digit for Breast Cancer Diagnosis
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Article Overview
This reader Q&A addresses an ICD-10-CM breast cancer diagnosis coding scenario involving a breast mass in a male patient and discusses the broader category used for malignant breast neoplasms. It is relevant for coders working with pathology-supported diagnoses, breast surgery, oncology, and ICD-10-CM laterality and site classification. The article also contrasts malignant disease with in situ disease at a high level and explains that the coding structure distinguishes breast site, sex, and laterality.
Why This Topic Matters
Breast cancer diagnosis coding can depend on anatomy, patient sex, and laterality, so accurate interpretation affects claim submission and record integrity. The article helps readers understand how ICD-10-CM organizes breast malignancy categories without relying on ICD-9-era distinctions.
Article Sections
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Question
Presents the clinical coding scenario involving a breast mass, operative findings, and pathology results.
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Answer
States the coding takeaway for the scenario and frames the diagnosis within the broader malignant breast neoplasm category.
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Men, too
Explains at a high level how the ICD-10-CM breast cancer category distinguishes site, sex, and laterality and notes the shift from ICD-9 structure.
What You Will Learn
- How a breast cancer diagnosis question is framed in ICD-10-CM
- How site, sex, and laterality are represented in the breast neoplasm category
- Why malignant and in situ breast disease are treated as different diagnosis groupings
- How breast cancer coding differs from older ICD-9 category structures
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Oncology coders
- Breast surgery practices
Codes Discussed
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