45551-9

LOINC code 45551-9 identifies "Sad, pained, or worried facial expressions [Minimum Data Set]". e.g., furrowed brows

This code measures Sad, pained, or worried facial expressions in ^Patient. It belongs to the SURVEY.MDS 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.