ICD-10 · PDGM grouping
Z05 Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
All 15 codes in the Z05 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.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
15
Can lead a claim
0
Cannot lead a claim
15
What CMS assigns to Z05
None of the 15 codes is assigned a clinical group. None of the 15 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Z05
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 |
|---|---|---|---|---|
| Z05.0 | Observation and evaluation of newborn for suspected cardiac condition ruled outCMS: Obs & eval of NB for suspected cardiac condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.1 | Observation and evaluation of newborn for suspected infectious condition ruled outCMS: Obs & eval of NB for suspected infect condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.2 | Observation and evaluation of newborn for suspected neurological condition ruled outCMS: Obs & eval of NB for suspected neuro condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.3 | Observation and evaluation of newborn for suspected respiratory condition ruled outCMS: Obs & eval of NB for suspected resp condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.4 Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out | ||||
| Z05.41 | Observation and evaluation of newborn for suspected genetic condition ruled outCMS: Obs & eval of NB for suspected genetic condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.42 | Observation and evaluation of newborn for suspected metabolic condition ruled outCMS: Obs & eval of NB for suspected metabolic condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.43 | Observation and evaluation of newborn for suspected immunologic condition ruled outCMS: Obs & eval of NB for suspected immunologic cond ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.5 | Observation and evaluation of newborn for suspected gastrointestinal condition ruled outCMS: Obs & eval of NB for suspected GI condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.6 | Observation and evaluation of newborn for suspected genitourinary condition ruled outCMS: Obs & eval of NB for suspected GU condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.7 Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out | ||||
| Z05.71 | Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled outCMS: Obs & eval of NB for suspected skin, subcu cond ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.72 | Observation and evaluation of newborn for suspected musculoskeletal condition ruled outCMS: Obs & eval of NB for suspected ms condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.73 | Observation and evaluation of newborn for suspected connective tissue condition ruled outCMS: Obs & eval of NB for suspected conn tiss condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.8 Observation and evaluation of newborn for other specified suspected condition ruled out | ||||
| Z05.81 | Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled outCMS: Obs & eval NB for susp cond rel to home physio mon dev R/O | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.89 | Observation and evaluation of newborn for other specified suspected condition ruled outCMS: Obs & eval of NB for oth suspected condition ruled out | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z05.9 | Observation and evaluation of newborn for unspecified suspected condition ruled outCMS: Obs & eval of NB for unsp suspected condition ruled out | 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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