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R29.721

Billable

NIHSS score 21

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A score of 21 on the National Institutes of Health Stroke Scale (NIHSS), which measures the severity of neurological deficits after a stroke.

Coding Tips

  • •NIHSS scores are typically documented during acute stroke evaluation and should be recorded with the specific numeric score
  • •This score indicates moderate to severe stroke severity and is often used to guide treatment decisions and prognosis

Code Hierarchy

└R29Other symptoms and signs involving the nervous and musculoskeletal systems└R29.7National Institutes of Health Stroke Scale (NIHSS) score└R29.72NIHSS score 20-29└R29.721NIHSS score 21
└R29.721NIHSS score 21

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