ICD-10-CM · Chapter 21 · Z00-Z99
Z12 Encounter for screening for malignant neoplasms
Includes
- 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.
Excludes 1 (cannot be coded together)
- encounter for diagnostic examination-code to sign or symptom
Use Additional Code
- code to identify any family history of malignant neoplasm (Z80.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| Z12..0 | Encounter for screening for malignant neoplasm of stomach | Yes |
| Z12..1 | Encounter for screening for malignant neoplasm of intestinal tract | No |
| Z12..10 | Encounter for screening for malignant neoplasm of intestinal tract, unspecified | Yes |
| Z12..11 | Encounter for screening for malignant neoplasm of colon | Yes |
| Z12..12 | Encounter for screening for malignant neoplasm of rectum | Yes |
| Z12..13 | Encounter for screening for malignant neoplasm of small intestine | Yes |
| Z12..2 | Encounter for screening for malignant neoplasm of respiratory organs | Yes |
| Z12..3 | Encounter for screening for malignant neoplasm of breast | No |
| Z12..31 | Encounter for screening mammogram for malignant neoplasm of breast | Yes |
| Z12..39 | Encounter for other screening for malignant neoplasm of breast | Yes |
| Z12..4 | Encounter for screening for malignant neoplasm of cervix | Yes |
| Z12..5 | Encounter for screening for malignant neoplasm of prostate | Yes |
| Z12..6 | Encounter for screening for malignant neoplasm of bladder | Yes |
| Z12..7 | Encounter for screening for malignant neoplasm of other genitourinary organs | No |
| Z12..71 | Encounter for screening for malignant neoplasm of testis | Yes |
| Z12..72 | Encounter for screening for malignant neoplasm of vagina | Yes |
| Z12..73 | Encounter for screening for malignant neoplasm of ovary | Yes |
| Z12..79 | Encounter for screening for malignant neoplasm of other genitourinary organs | Yes |
| Z12..8 | Encounter for screening for malignant neoplasm of other sites | No |
| Z12..81 | Encounter for screening for malignant neoplasm of oral cavity | Yes |
| Z12..82 | Encounter for screening for malignant neoplasm of nervous system | Yes |
| Z12..83 | Encounter for screening for malignant neoplasm of skin | Yes |
| Z12..89 | Encounter for screening for malignant neoplasm of other sites | Yes |
| Z12..9 | Encounter for screening for malignant neoplasm, site unspecified | Yes |
Last reviewed: September 2026