ICD-10 · PDGM grouping
Z90 Acquired absence of organs, not elsewhere classified
All 22 codes in the Z90 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
22
Can lead a claim
0
Cannot lead a claim
22
What CMS assigns to Z90
None of the 22 codes is assigned a clinical group. None of the 22 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Z90
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 |
|---|---|---|---|---|
| Z90.0 Acquired absence of part of head and neck | ||||
| Z90.01 | Acquired absence of eye | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.02 | Acquired absence of larynx | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.09 | Acquired absence of other part of head and neck | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.1 Acquired absence of breast and nipple | ||||
| Z90.10 | Acquired absence of unspecified breast and nipple | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.11 | Acquired absence of right breast and nipple | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.12 | Acquired absence of left breast and nipple | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.13 | Acquired absence of bilateral breasts and nipples | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.2 | Acquired absence of lung [part of] | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.3 | Acquired absence of stomach [part of] | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.4 Acquired absence of other specified parts of digestive tract | ||||
| Z90.41 Acquired absence of pancreas | ||||
| Z90.410 | Acquired total absence of pancreas | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.411 | Acquired partial absence of pancreas | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.49 | Acquired absence of other specified parts of digestive tract | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.5 | Acquired absence of kidney | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.6 | Acquired absence of other parts of urinary tract | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.7 Acquired absence of genital organ(s) | ||||
| Z90.71 Acquired absence of cervix and uterus | ||||
| Z90.710 | Acquired absence of both cervix and uterus | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.711 | Acquired absence of uterus with remaining cervical stump | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.712 | Acquired absence of cervix with remaining uterus | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.72 Acquired absence of ovaries | ||||
| Z90.721 | Acquired absence of ovaries, unilateral | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.722 | Acquired absence of ovaries, bilateral | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.79 | Acquired absence of other genital organ(s) | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.8 Acquired absence of other organs | ||||
| Z90.81 | Acquired absence of spleen | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z90.89 | Acquired absence of other organs | 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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