• A report has been received but the description provided does not appear to relate to an adverse event. This code allows a report to be recorded for administration purposes, even if it doesn't meet the requirements for adverse event reporting.
  U.S. FDA Glossary
  U.S. Food & Drug Administration, 2021
• Determination of a value is not relevant in the current context.
  NCI
  U.S. National Cancer Institute, 2021
• If a value for test has to be provided, but has no given criteria (e.g., the result is for "report only" or "monitoring").
  U.S. FDA Glossary
  U.S. Food & Drug Administration, 2021
• Known to have no proper value (e.g., last menstrual period for a male).
  NCI Health Level 7 Vocabulary
  U.S. National Cancer Institute, 2018
• (none or not applicable) A term used to indicate that information on a specific question or subject can not be provided because there is no relevance.
  NCI
  U.S. National Cancer Institute, 2021