ICD-10 · PDGM grouping
R92 Abnormal and inconclusive findings on diagnostic imaging of breast
All 17 codes in the R92 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
17
Can lead a claim
0
Cannot lead a claim
17
What CMS assigns to R92
None of the 17 codes is assigned a clinical group. None of the 17 is assigned a comorbidity subgroup. None can lead a claim.
Every code in R92
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 |
|---|---|---|---|---|
| R92.0 | Mammographic microcalcification found on diagnostic imaging of breastCMS: Mammographic microcalcification found on dx imaging of brst | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.1 | Mammographic calcification found on diagnostic imaging of breastCMS: Mammographic calcifcn found on diagnostic imaging of breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.2 | Inconclusive mammogram | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.3 Mammographic density found on imaging of breast | ||||
| R92.30 | Dense breasts, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.31 Mammographic fatty tissue density of breast | ||||
| R92.311 | Mammographic fatty tissue density, right breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.312 | Mammographic fatty tissue density, left breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.313 | Mammographic fatty tissue density, bilateral breasts | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.32 Mammographic fibroglandular density of breast | ||||
| R92.321 | Mammographic fibroglandular density, right breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.322 | Mammographic fibroglandular density, left breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.323 | Mammographic fibroglandular density, bilateral breasts | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.33 Mammographic heterogeneous density of breast | ||||
| R92.331 | Mammographic heterogeneous density, right breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.332 | Mammographic heterogeneous density, left breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.333 | Mammographic heterogeneous density, bilateral breasts | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.34 Mammographic extreme density of breast | ||||
| R92.341 | Mammographic extreme density, right breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.342 | Mammographic extreme density, left breast | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.343 | Mammographic extreme density, bilateral breasts | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R92.8 | Other abnormal and inconclusive findings on diagnostic imaging of breastCMS: Oth abn and inconclusive findings on dx imaging of breast | 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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