HCC Buddy Code Book

Date of serviceEffective period

FY2026 Apr update selectedCDC/NCHS source required for importerCMS-HCC model year label requiredlive API fallback activechecking source package

DOS 2026-04-01: For dates of service from Apr 1, 2026 through Sep 30, 2026, HCC Buddy uses the FY2026 April ICD-10-CM update where source-labeled.

source required states fail closedreviewer needed before enrichment shipsFY2026 Apr update

Code

J44.9

V28 HCC

source required

RAF

source required

Tabular List

Expandable hierarchy, parent child sibling navigation, official notes, and source labels are tied to the selected effective period.

source required for Tabular Listsource year requiredupdate date required

FY2026 Apr updateUpdated source required

Tabular path not available for this effective period.

Selected code

J44.9

Source-backed code detail is required before production display.

nonbillable or source requiredHCC mapping not available for this period

official source

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source checked

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source checked

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