ICD-10 · PDGM grouping
Z12 Encounter for screening for malignant neoplasms
All 20 codes in the Z12 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
20
Can lead a claim
0
Cannot lead a claim
20
What CMS assigns to Z12
None of the 20 codes is assigned a clinical group. None of the 20 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Z12
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| Z12.0 | Encounter for screening for malignant neoplasm of stomach | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.1 Encounter for screening for malignant neoplasm of intestinal tract | ||||
| Z12.10 | Encounter for screening for malignant neoplasm of intestinal tract, unspecifiedCMS: Encntr screen for malignant neoplasm of intest tract, unsp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.11 | Encounter for screening for malignant neoplasm of colon | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.12 | Encounter for screening for malignant neoplasm of rectum | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.13 | Encounter for screening for malignant neoplasm of small intestineCMS: Encntr screen for malignant neoplasm of small intestine | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.2 | Encounter for screening for malignant neoplasm of respiratory organsCMS: Encntr screen for malignant neoplasm of respiratory organs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.3 Encounter for screening for malignant neoplasm of breast | ||||
| Z12.31 | Encounter for screening mammogram for malignant neoplasm of breastCMS: Encntr screen mammogram for malignant neoplasm of breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.39 | Encounter for other screening for malignant neoplasm of breastCMS: Encounter for oth screening for malignant neoplasm of breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.4 | Encounter for screening for malignant neoplasm of cervix | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.5 | Encounter for screening for malignant neoplasm of prostate | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.6 | Encounter for screening for malignant neoplasm of bladder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.7 Encounter for screening for malignant neoplasm of other genitourinary organs | ||||
| Z12.71 | Encounter for screening for malignant neoplasm of testis | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.72 | Encounter for screening for malignant neoplasm of vagina | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.73 | Encounter for screening for malignant neoplasm of ovary | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.79 | Encounter for screening for malignant neoplasm of other genitourinary organsCMS: Encntr screen for malignant neoplasm of genitourinary organs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.8 Encounter for screening for malignant neoplasm of other sites | ||||
| Z12.81 | Encounter for screening for malignant neoplasm of oral cavityCMS: Encntr screen for malignant neoplasm of oral cavity | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.82 | Encounter for screening for malignant neoplasm of nervous systemCMS: Encntr screen for malignant neoplasm of nervous system | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.83 | Encounter for screening for malignant neoplasm of skin | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.89 | Encounter for screening for malignant neoplasm of other sitesCMS: Encounter for screening for malignant neoplasm of oth sites | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z12.9 | Encounter for screening for malignant neoplasm, site unspecifiedCMS: Encounter for screening for malignant neoplasm, site unsp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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