71750-4

LOINC code 71750-4 identifies "Primary contact phone number extension Facility". Indicates the extension number for the primary contact personnel's business phone number.

This code measures Primary contact phone number extension in Facility. It belongs to the SURVEY.ESRD 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.