Z12
ICD-10Non-billable categoryEncounter for screening for malignant neoplasms
Official ICD-10-CM descriptor (FY2026)
Encounter for screening for malignant neoplasms
Z12 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.
Inclusion terms
- Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- encounter for diagnostic examination-code to sign or symptom
Use additional code
Report an additional code to identify the associated condition.
- code to identify any family history of malignant neoplasm (Z80.-)
More specific codes under 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
- Z12.3Encounter for screening for malignant neoplasm of breastcategory
- 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
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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.