Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
COVID-19 Complication Onset Date Indicator Project 5 (COVID-19) Treatment
Treatment for all conditions
NIH CDEs
  • Project 5 (COVID-19)
    • Tier 1

# Datatype
Value List

# Permissible value Value meaning definition Concept Concept source
N/A or not reported Determination of a value is not relevant in the current context.:An article used to connect words, phrases, or clauses representing alternatives; used to connect alternative terms for the same thing; used in correlation; used to correct or rephrase what was previously said; otherwise.:Not provided or available. C48660:C37998:C43234(Primary) C48660:C37998:C43234(Primary) NCI Thesaurus
Unknown Not known, observed, recorded; or reported as unknown by the data contributor. C17998 C17998 NCI Thesaurus

# Name Origin Origin Concept type
Complication NCI Thesaurus C2959 data element concept
Indicator NCI Thesaurus C25180 data element concept
Onset Date NCI Thesaurus C93613 data element concept
COVID-19 Infection NCI Thesaurus C171133 data element concept

# Definition Sources
An indication of whether or not the complication onset date was unknown, or not applicable or not reported. Project 5

# Designation Tags
COVID-19 Complication Onset Date Indicator
Was the complication onset date unknown, or not applicable or not reported? Preferred Question Text

# Identifier Origin Version
UA2HPgkaZm NLM CDEs 12-02-2025-download