Wiki Ductal Carcinoma In Situ w/ Microinvasive Carcinoma Breast

AimeeNK31

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I came across a path report recently where the diagnosis was "ductal carcinoma in situ breast with a microfocus of invasive carcinoma." Would I code 233.0 for the DCIS or 174.4 to account for the highest severity with the invasive component? Thank you.
 
Breast Cancer

You will want to code both the 233.0 for the in situ AND also 174.9 for the invasive carcinoma. It may have been a typo or not when you entered the 174.4 - but it doesn't state what part of the breast the biopsy came from in your notes.
Thanks,
Dana Chock CPC, CCA, CANPC, CHONC
Anesthesia, Pathology and Laboratory Coder
 
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