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R29.742

Billable

NIHSS score 42

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

What This Code Means

A score of 42 on the National Institutes of Health Stroke Scale (NIHSS), indicating severe neurological impairment from stroke.

Coding Tips

  • •Document the exact NIHSS score of 42 in the medical record before coding
  • •This represents one of the highest severity scores; verify stroke diagnosis is documented and coded

Code Hierarchy

└R29Other symptoms and signs involving the nervous and musculoskeletal systems└R29.7National Institutes of Health Stroke Scale (NIHSS) score└R29.74NIHSS score 40-42└R29.742NIHSS score 42
└R29.742NIHSS score 42

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