AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2022 Issue 4; New/Revised ICD-10-CM Codes

Postural Orthostatic Tachycardia Syndrome

Category G90, Disorders of autonomic nervous system, has been expanded with the creation of code G90.A, Postural orthostatic tachycardia syndrome [POTS].Postural orthostatic tachycardia syndrome (POTS), sometimes referred to as chronic orthostatic tachycardia syndrome and postural tachycardia syndrome, is a form of orthostatic intolerance (OI). OI is a reduction in blood volume that returns to the heart after an individual stands up from a lying down position. The primary symptoms of OI are lightheadedness and loss of consciousness. In POTS, these symptoms are accompanied by tachycardia. Patients are typically relieved of symptoms once they lie back down again...

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