10164-2

LOINC code 10164-2 identifies "History of Present illness Narrative". History of present illness describes the history related to the reason for a given procedure. It contains the historical details leading up to and pertaining to the patient's current complaint or reason for seeking medical care. Because history of present illness can include past surgical history and other procedures, the Procedure History section may be included under the History of Present Illness section or it may stand alone as its own section.

This code measures Present illness in ^Patient. It belongs to the H&P.HX 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.