Z12: Encounter for screening for malignant neoplasms
Codes under Z12 (Encounter for screening for malignant neoplasms). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z12.0 | Encounter for screening for malignant neoplasm of stomach | ✓ |
| Z12.0 | Encounter for screening for malignant neoplasm of stomach | ✓ |
| Z12.1 | Encounter for screening for malignant neoplasm of intestinal tract | — |
| Z12.1 | Encounter for screening for malignant neoplasm of intestinal tract | — |
| Z12.2 | Encounter for screening for malignant neoplasm of respiratory organs | ✓ |
| Z12.2 | Encounter for screening for malignant neoplasm of respiratory organs | ✓ |
| Z12.3 | Encounter for screening for malignant neoplasm of breast | — |
| Z12.3 | Encounter for screening for malignant neoplasm of breast | — |
| Z12.4 | Encounter for screening for malignant neoplasm of cervix | ✓ |
| Z12.4 | Encounter for screening for malignant neoplasm of cervix | ✓ |
| Z12.5 | Encounter for screening for malignant neoplasm of prostate | ✓ |
| Z12.5 | Encounter for screening for malignant neoplasm of prostate | ✓ |
| Z12.6 | Encounter for screening for malignant neoplasm of bladder | ✓ |
| Z12.6 | Encounter for screening for malignant neoplasm of bladder | ✓ |
| Z12.7 | Encounter for screening for malignant neoplasm of other genitourinary organs | — |
| Z12.7 | Encounter for screening for malignant neoplasm of other genitourinary organs | — |
| Z12.8 | Encounter for screening for malignant neoplasm of other sites | — |
| Z12.8 | Encounter for screening for malignant neoplasm of other sites | — |
| Z12.9 | Encounter for screening for malignant neoplasm, site unspecified | ✓ |
| Z12.9 | Encounter for screening for malignant neoplasm, site unspecified | ✓ |
| Z12.10 | Encounter for screening for malignant neoplasm of intestinal tract, unspecified | ✓ |
| Z12.10 | Encounter for screening for malignant neoplasm of intestinal tract, unspecified | ✓ |
| Z12.11 | Encounter for screening for malignant neoplasm of colon | ✓ |
| Z12.11 | Encounter for screening for malignant neoplasm of colon | ✓ |
| Z12.12 | Encounter for screening for malignant neoplasm of rectum | ✓ |
| Z12.12 | Encounter for screening for malignant neoplasm of rectum | ✓ |
| Z12.13 | Encounter for screening for malignant neoplasm of small intestine | ✓ |
| Z12.13 | Encounter for screening for malignant neoplasm of small intestine | ✓ |
| Z12.31 | Encounter for screening mammogram for malignant neoplasm of breast | ✓ |
| Z12.31 | Encounter for screening mammogram for malignant neoplasm of breast | ✓ |
| Z12.39 | Encounter for other screening for malignant neoplasm of breast | ✓ |
| Z12.39 | Encounter for other screening for malignant neoplasm of breast | ✓ |
| Z12.71 | Encounter for screening for malignant neoplasm of testis | ✓ |
| Z12.71 | Encounter for screening for malignant neoplasm of testis | ✓ |
| Z12.72 | Encounter for screening for malignant neoplasm of vagina | ✓ |
| Z12.72 | Encounter for screening for malignant neoplasm of vagina | ✓ |
| Z12.73 | Encounter for screening for malignant neoplasm of ovary | ✓ |
| Z12.73 | Encounter for screening for malignant neoplasm of ovary | ✓ |
| Z12.79 | Encounter for screening for malignant neoplasm of other genitourinary organs | ✓ |
| Z12.79 | Encounter for screening for malignant neoplasm of other genitourinary organs | ✓ |
| Z12.81 | Encounter for screening for malignant neoplasm of oral cavity | ✓ |
| Z12.81 | Encounter for screening for malignant neoplasm of oral cavity | ✓ |
| Z12.82 | Encounter for screening for malignant neoplasm of nervous system | ✓ |
| Z12.82 | Encounter for screening for malignant neoplasm of nervous system | ✓ |
| Z12.83 | Encounter for screening for malignant neoplasm of skin | ✓ |
| Z12.83 | Encounter for screening for malignant neoplasm of skin | ✓ |
| Z12.89 | Encounter for screening for malignant neoplasm of other sites | ✓ |
| Z12.89 | Encounter for screening for malignant neoplasm of other sites | ✓ |
Frequently asked questions
What is ICD-10-CM code Z12?
Z12 is an ICD-10-CM category covering Encounter for screening for malignant neoplasms. It contains 48 more specific diagnosis codes, 40 of which are billable.
Is Z12 a billable code?
No — Z12 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z12.0 — Encounter for screening for malignant neoplasm of stomach). 40 of the 48 codes under Z12 are billable.
What codes fall under Z12?
Z12 includes Z12.0, Z12.0, Z12.1, Z12.1, Z12.2, plus 43 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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