This document provides an overview of the anatomy, testing, and clinical considerations related to the extratemporal course of the facial nerve. It describes the anatomy of the branches of the facial nerve as it exits the stylomastoid foramen. Electrodiagnostic tests for facial nerve function are discussed, including EMG, ENOG and nerve conduction studies. The document also reviews causes of facial paralysis, grading systems for nerve function, and considerations for imaging the facial nerve.