AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2020 Issue 4; New/Revised ICD-10-CM Codes

Irregular Eye Movement

Code H55.81 was revised to “Deficient saccadic eye movements,” and code H55.82, Deficient smooth pursuit eye movements, was created to describe irregular eye movements. Smooth pursuit eye movements permit the eyes to follow a moving object closely. It is one of two ways, in which people can shift gaze. Saccades are rapid eye movements that bring the image of an object of interest onto the fovea and is another method of shifting gaze. Deficient smooth pursuit eye movements (smooth pursuit deficiency) are disorders involving the impairment of eye movements. Saccadic disorders may result...

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