Z12.3
ICD-10Non-billable categoryEncounter for screening for malignant neoplasm of breast
Official ICD-10-CM descriptor (FY2026)
Encounter for screening for malignant neoplasm of breast
Z12.3 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
ICD-10-CM FY2026 defines 2 codes beneath Z12.3. See the ICD-10-CM index for what this site publishes.
Related codes in Z12
- Z12.0Encounter for screening for malignant neoplasm of stomach
- Z12.1Encntr screen for malignant neoplasm of intestinal tractcategory
- Z12.2Encntr screen for malignant neoplasm of respiratory organs
- Z12.4Encounter for screening for malignant neoplasm of cervix
- Z12.5Encounter for screening for malignant neoplasm of prostate
- Z12.6Encounter for screening for malignant neoplasm of bladder
- Z12.7Encntr screen for malignant neoplasm of genitourinary organscategory
- Z12.8Encounter for screening for malignant neoplasm of oth sitescategory
- Z12.9Encounter for screening for malignant neoplasm, site unsp
Where this code sits
- Parent code
- Z12
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.