ICD-10 · PDGM grouping
Y63 Failure in dosage during surgical and medical care
All 9 codes in the Y63 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
9
Can lead a claim
0
Cannot lead a claim
9
What CMS assigns to Y63
None of the 9 codes is assigned a clinical group. None of the 9 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Y63
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 |
|---|---|---|---|---|
| Y63.0 | Excessive amount of blood or other fluid given during transfusion or infusionCMS: Excess amount of bld or oth fluid given dur tranfs or infusn | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y63.1 | Incorrect dilution of fluid used during infusion | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y63.2 | Overdose of radiation given during therapy | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y63.3 | Inadvertent exposure of patient to radiation during medical careCMS: Inadvertent expsr of patient to radiation during med care | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y63.4 | Failure in dosage in electroshock or insulin-shock therapy | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y63.5 | Inappropriate temperature in local application and packing | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y63.6 | Underdosing and nonadministration of necessary drug, medicament or biological substanceCMS: Undrdose & nonadmin of necess drug, medicament or biolg sub | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y63.8 | Failure in dosage during other surgical and medical care | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| Y63.9 | Failure in dosage during unspecified surgical and medical careCMS: Failure in dosage during unsp surgical and medical care | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | 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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