C82518Level 5

Reference Date Time

**Semantic type:** Temporal Concept

**Definition:** The actual date or date and time of a time point that acts as a fixed reference for a series of planned time points.

**Synonyms:** - RFTDTC

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C117505Exposure as Collected Date Time of Reference Timepoint

C117538Procedure Date Time of Reference Timepoint

C117635Morphology Date Time of Reference Timepoint

C117698Skin Response Date Time of Reference Timepoint

C119771Body Weight Gain Date Time of Reference Timepoint

C119808Clinical Observations Date Time of Reference Timepoint

C123996Cardiovascular System Findings Date Time of Reference Timepoint

C123997Exposure Date Time of Reference Timepoint

C123998Respiratory System Findings Date Time of Reference Timepoint

C221775Reproductive System Finding Date and/or Time of Reference Time Point

C87879Electrocardiogram Date Time of Reference Timepoint

C87894Laboratory Test Date Time of Reference Timepoint

C87902Microbiology Specimen Date Time of Reference Timepoint

C87951Pharmacokinetic Concentration Date Time of Reference Timepoint

C87979Pharmacokinetic Parameter Date Time of Reference Timepoint

C87997Questionnaire Date Time of Reference Timepoint

C88011Vital Signs Date Time of Reference Timepoint

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