Z12 – Encounter for screening for malignant neoplasms
ICD-10-CM 2027 diagnosis code · Persons encountering health services for examinations
ICD-10-CM code
Z12
- Code
Z12(claims format:Z12)- Description
- Encounter for screening for malignant neoplasms
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z00-Z13 Persons encountering health services for examinations
Billable codes under Z12
Z12 is a header code and cannot be used on claims. Choose the most specific code:
- Z12.0 – Encounter for screening for malignant neoplasm of stomachBillable
- Z12.1 – Encounter for screening for malignant neoplasm of intestinal tractHeader (more codes below)
- Z12.2 – Encounter for screening for malignant neoplasm of respiratory organsBillable
- Z12.3 – Encounter for screening for malignant neoplasm of breastHeader (more codes below)
- Z12.4 – Encounter for screening for malignant neoplasm of cervixBillable
- Z12.5 – Encounter for screening for malignant neoplasm of prostateBillable
- Z12.6 – Encounter for screening for malignant neoplasm of bladderBillable
- Z12.7 – Encounter for screening for malignant neoplasm of other genitourinary organsHeader (more codes below)
- Z12.8 – Encounter for screening for malignant neoplasm of other sitesHeader (more codes below)
- Z12.9 – Encounter for screening for malignant neoplasm, site unspecifiedBillable
Notes for Z12
Applicable to:
- 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):
- encounter for diagnostic examination-code to sign or symptom
Use additional code:
- code to identify any family history of malignant neoplasm (Z80.-)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block Z00-Z13
Notes:
- Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.
Frequently asked questions
What is ICD-10 code Z12?
Z12 is the ICD-10-CM code for encounter for screening for malignant neoplasms, in the block Z00-Z13 (Persons encountering health services for examinations).
Is Z12 a billable code?
No. Z12 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.