National Institutes of Health Stroke Scale (NIHSS) score

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2017 onwards. It has never been valid for submission on its own.

Submit one of these 5 more specific codes instead:

R29.70 NIHSS score 0-9 (also a header)
R29.71 NIHSS score 10-19 (also a header)
R29.72 NIHSS score 20-29 (also a header)
R29.73 NIHSS score 30-39 (also a header)
R29.74 NIHSS score 40-42 (also a header)

What has happened to this code

Every change the publisher made, from 2017 to now.

FY2017 Added to the code set National Institutes of Health Stroke Scale (NIHSS) score

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

NIHSS score
Score, NIHSS

Codes in the same group

Code	Description	Status
R29.0	Tetany	Valid
R29.1	Meningismus	Valid
R29.2	Abnormal reflex	Valid
R29.3	Abnormal posture	Valid
R29.4	Clicking hip	Valid
R29.5	Transient paralysis	Valid
R29.6	Repeated falls	Valid
R29.8	Other symptoms and signs involving the nervous and musculoskeletal systems	Not billable
R29.9	Unspecified symptoms and signs involving the nervous and musculoskeletal systems	Not billable