ICD-10-CM 2027 diagnosis code
R29.73NIHSS score 30-39
R29.73 is a header code, so it can't be reported by itself. Choose one of the 10 more specific codes beneath it.
Code last changed in FY2017 (effective October 1, 2016). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About R29.73
R29.73 is the ICD-10-CM diagnosis code for NIHSS score 30-39. It belongs to category R29 (other symptoms and signs involving the nervous and musculoskeletal systems), block R25-R29 (symptoms and signs involving the nervous and musculoskeletal systems) and chapter 18 (symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified). It is a header code, so it can't be reported by itself; one of its 10 subcodes must be used instead.
Within R29.7 (National Institutes of Health Stroke Scale (NIHSS) score), R29.73 is specifically for NIHSS score 30-39. Related codes cover 0-9 (R29.70), 10-19 (R29.71), 20-29 (R29.72) and 40-42 (R29.74).
To report this condition, pick the subcode that matches the documentation: R29.730 (30), R29.731 (31), R29.732 (32), R29.733 (33), R29.734 (34), R29.735 (35), R29.736 (36), R29.737 (37) and 2 more.
It was added in FY2017, effective October 1, 2016.
Specific codes under R29.73
Notes that apply from higher levels
Instructions written at a parent level also apply to R29.73.
Broader instructions also apply from Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2017 (effective 10/1/2016): Added
- No changes since FY2017.
Common questions about R29.73
Is R29.73 billable?
- No. R29.73 is a header code. Report one of its more specific subcodes instead.