99209-9

LOINC code 99209-9 identifies "Level of difficulty getting used to the dark when moving from a lighted area into a dark place". It measures Level of difficulty getting used to the dark when moving from a lighted area into a dark place in ^Patient.

This code measures Level of difficulty getting used to the dark when moving from a lighted area into a dark place in ^Patient. It belongs to the SURVEY.PROWL class in the LOINC classification.

LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.