ICD-10-CM > R00-R99 > R25-R29 > R29 > R29.7 R29.7 National Institutes of Health Stroke Scale (NIHSS) score Non-Billable/Non-Specific Code First the type of cerebral infarction (I63.-) Codes R29.70NIHSS score 0-9R29.700NIHSS score 0R29.701NIHSS score 1R29.702NIHSS score 2R29.703NIHSS score 3R29.704NIHSS score 4R29.705NIHSS score 5R29.706NIHSS score 6R29.707NIHSS score 7R29.708NIHSS score 8R29.709NIHSS score 9R29.71NIHSS score 10-19R29.710NIHSS score 10R29.711NIHSS score 11R29.712NIHSS score 12R29.713NIHSS score 13R29.714NIHSS score 14R29.715NIHSS score 15R29.716NIHSS score 16R29.717NIHSS score 17R29.718NIHSS score 18R29.719NIHSS score 19R29.72NIHSS score 20-29R29.720NIHSS score 20R29.721NIHSS score 21R29.722NIHSS score 22R29.723NIHSS score 23R29.724NIHSS score 24R29.725NIHSS score 25R29.726NIHSS score 26R29.727NIHSS score 27R29.728NIHSS score 28R29.729NIHSS score 29R29.73NIHSS score 30-39R29.730NIHSS score 30R29.731NIHSS score 31R29.732NIHSS score 32R29.733NIHSS score 33R29.734NIHSS score 34R29.735NIHSS score 35R29.736NIHSS score 36R29.737NIHSS score 37R29.738NIHSS score 38R29.739NIHSS score 39R29.74NIHSS score 40-42R29.740NIHSS score 40R29.741NIHSS score 41R29.742NIHSS score 42