330.9
ICD-9-CMThis code signifies a progressive deterioration of brain tissue in children, where the specific underlying cause or type of cerebral degeneration has not been identified. It indicates a decline in neurological function due to the loss of brain cells or their function, without a more precise diagnosis.
This code is appropriate when a pediatric patient presents with symptoms of neurological decline, such as developmental regression, cognitive impairment, or motor deficits, and diagnostic workup has not yet pinpointed a specific degenerative neurological disorder. It should be used when documentation clearly states "unspecified cerebral degeneration in childhood" or similar terminology indicating a lack of definitive diagnosis.
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