Amnesia, retrograde
Loss of the ability to recall information that had been previously encoded in memory prior to a specified or approximate point in time. This process may be organic or psychogenic in origin. Organic forms may be associated with craniocerebral trauma; cerebrovascular accidents; seizures; dementia; and a wide variety of other conditions that impair cerebral function. from Adams et al., Principles of Neurology, 6th ed, pp426-9)
Memory loss for events and experiences that occurred before the incident that produced the amnesia.
R41.2 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 R41.2 became effective on October 1, 2022.
This is the American ICD-10-CM version of R41.2 – other international versions of ICD-10 R41.2 may differ.