G90.4

Clinical Information

• A syndrome associated with damage to the spinal cord above the mid thoracic level see spinal cord injuries) characterized by a marked increase in the sympathetic response to minor stimuli such as bladder or rectal distention. Manifestations include hypertension; tachycardia or reflex bradycardia); fever; flushing; and hyperhidrosis. Extreme hypertension may be associated with a stroke. from Adams et al., Principles of Neurology, 6th ed, pp538 and 1232; j spinal cord med 1997;20 3):355-60)

• Life threatening inhibited sympathetic response to a noxious stimuli in a person with a spinal cord injury at t7 or above

• Life-threatening, uninhibited sympathetic response of the nervous system to a noxious stimulus after a spinal cord injury at t7 or above

Details

• G90.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM G90.4 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G90.4 – other international versions of ICD-10 G90.4 may differ.