R40.236Coma scale, best motor response, obeys commands

R40.236 is the ICD-10-CM diagnosis code for coma scale, best motor response, obeys commands. It belongs to category R40 (Somnolence, stupor and coma), block R40-R46 (symptoms and signs involving cognition, perception, emotional state and behavior) 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 5 subcodes must be used instead.

Within R40.23 (coma scale, best motor response), R40.236 is specifically for coma scale, best motor response, obeys commands. Related codes cover none (R40.231), extension (R40.232), abnormal flexion (R40.233), flexion withdrawal (R40.234) and localizes pain (R40.235).

Codes in this range require a 7th character: 0 for unspecified time, 1 for in the field [EMT or ambulance], 2 for at arrival to emergency department, 3 for at hospital admission and 4 for 24 hours or more after hospital admission. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.