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2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > General Symptoms 780.* > 2008 ICD-9-CM Diagnosis 780.93 Memory loss 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) Pathologic partial or complete loss of the ability to recall past experiences (AMNESIA, RETROGRADE) or to form new memories (AMNESIA, ANTEROGRADE). This condition may be of organic or psychologic origin. Organic forms of amnesia are usually associated with dysfunction of the DIENCEPHALON or HIPPOCAMPUS. (From Adams et al., Principles of Neurology, 6th ed, pp426-7) Systematic and extensive loss of memory caused by organic or psychological factors. The loss may be temporary or permanent, and may involve old or recent memories. 780.93 is a specific code that can be used to specify a diagnosis 780.93 contains 8 index entries View the ICD-9-CM Volume 1 780.* hierarchy 780.93 also known as: Amnesia (retrograde) Memory loss NOS 780.93 excludes: mild memory disturbance due to organic brain damage (310.1) transient global amnesia (437.7) Index entries containing 780.93: Alteration (of), altered mental status 780.97 amnesia (retrograde) 780.93 memory loss 780.93 Amnesia (retrograde) 780.93 auditory 784.69 developmental 315.31 secondary to organic lesion 784.69 dissociative 300.12 hysterical or dissociative type 300.12 psychogenic 300.12 transient global 437.7 Disturbance - see also Disease memory (see also Amnesia) 780.93 mild, following organic brain damage 310.8 Lack of memory (see also Amnesia) 780.93 mild, following organic brain damage 310.1 Loss memory (see also Amnesia) 780.93 mild, following organic brain damage 310.1 Memory disturbance, loss or lack (see also Amnesia) 780.93 mild, following organic brain damage 310.1 Paramnesia (see also Amnesia) 780.93