Cerebral infarction Use additional code, if applicable, to identify status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)Includes:occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarctionExcludes1neonatal cerebral infarction (P91.82-)Excludes2chronic, without residual deficits (sequelae) (Z86.73)sequelae of cerebral infarction (I69.3-)