Representing Depression

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Type Standard Implementation/Specification Standards Process Maturity Implementation Maturity Adoption Level Federally required Cost Test Tool Availability
Rating 1
Limitations, Dependencies, and Preconditions for Consideration Applicable Value Set(s) and Starter Set(s)
  • The Patient Health Questionnaire 2 item (PHQ-2) is a 2-question initial screen for symptoms of depression in the past 2 weeks.  It consists of the first 2 questions of the PHQ-9, which can determine if an individual meet criteria for a depressive disorder, and is best suited for this interoperability need.
  • See LOINC projects in the Interoperability Proving Ground.

PHQ-2 panel LOINC® code 55757-9

  PHQ-2 member codes

  PHQ-2 Q1 LOINC® 44250-9

  PHQ-2 Q2 LOINC® 44255-8

  PHQ-2 Total Score LOINC® 55758-7

PHQ-9 panel LOINC® code 44249-1