Z12.3Encounter for screening for malignant neoplasm of breast

Z12.3 is the ICD-10-CM diagnosis code for encounter for screening for malignant neoplasm of breast. It belongs to category Z12 (encounter for screening for malignant neoplasms), block Z00-Z13 (persons encountering health services for examinations) and chapter 21 (factors influencing health status and contact with health services). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within Z12 (encounter for screening for malignant neoplasms), Z12.3 is specifically for encounter for screening for malignant neoplasm of breast. Related codes cover neoplasm of stomach (Z12.0), neoplasm of intestinal tract (Z12.1), neoplasm of respiratory organs (Z12.2), neoplasm of cervix (Z12.4), neoplasm of prostate (Z12.5), neoplasm of bladder (Z12.6), neoplasm of other genitourinary organs (Z12.7), neoplasm of other sites (Z12.8) and 1 more.

To report this condition, pick the subcode that matches the documentation: Z12.31 (breast) and Z12.39 (breast).

Use an additional code to identify any family history of malignant neoplasm (Z80.-).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.