HCC flag
hcc_flgDefinition
ISO-11179 Definition
Binary indicator identifying whether a diagnosis code maps to a Hierarchical Condition Category in the CMS-HCC risk adjustment model. HCC flags are applied during claims processing to identify diagnoses that contribute to a member risk adjustment factor score. Healthcare data engineers use HCC flags in Medicare Advantage risk adjustment pipelines to calculate RAF scores and support CMS RAPS and EDPS submissions.
Standard Abbreviation
hcc_flg
Category
Why This Term Matters
Clinical terms are the building blocks of risk adjustment, quality measurement, and value-based care analytics. A data engineer who understands this terminology can design schemas that correctly capture patient conditions, procedures, and encounters — enabling accurate HCC scoring, HEDIS measure attribution, and CMS reporting. Misclassifying clinical fields in a data warehouse cascades into incorrect RAF scores and failed regulatory submissions.
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