ICD-10-CM Book 2024 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 18 R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified /
R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior /
R40 Somnolence, stupor and coma

  Billable ICD-10-CM Code R40.2141
R40.2141
Coma scale, eyes open, spontaneous, in the field [EMT or ambulance]
nonPrimary
Yes