FAQ Directory: HEDIS

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11.15.2023 Codes for Race and Ethnicity Stratification (RES) Are LOINC codes used to identify race and ethnicity?

No. Codes to identify race and ethnicity resemble some LOINC codes (i.e., the same format), but are derived from a code system developed by the U.S. Centers for Disease Control and Prevention (CDC).
The code is the same across terminologies in multiple instances. NCQA recommends that organizations establish data quality controls to avoid inadvertent data reporting errors. For example, “2106-3” could result in errors if used incorrectly:

  • 2106-3 = “White” (CDC Race and Ethnicity).
  • 2106-3 = “Choriogonadotropin (pregnancy test) [Presence] in Urine” (LOINC).

HEDIS MY 2024