R40.22 Coma scale, best verbal response

Non-billable header with 5 child codes.

7th character note

• The following appropriate 7th character is to be added to subcategory R40.22-:

7th character required

• 0 — unspecified time
• 1 — in the field [EMT or ambulance]
• 2 — at arrival to emergency department
• 3 — at hospital admission
• 4 — 24 hours or more after hospital admission

Applies from R40 Somnolence, stupor and coma

Excludes1 (never code together)

• neonatal coma (P91.5)
• somnolence, stupor and coma in diabetes (E08-E13)
• somnolence, stupor and coma in hepatic failure (K72.-)
• somnolence, stupor and coma in hypoglycemia (nondiabetic) (E15)

Applies from R40.2 Coma

Code first

• any associated:
• fracture of skull (S02.-)
• intracranial injury (S06.-)

Notes

• One code from each subcategory, R40.21-R40.23, is required to complete the coma scale

Codes under R40.22

• R40.221 Coma scale, best verbal response, none
• R40.222 Coma scale, best verbal response, incomprehensible words
• R40.223 Coma scale, best verbal response, inappropriate words
• R40.224 Coma scale, best verbal response, confused conversation
• R40.225 Coma scale, best verbal response, oriented

Code annotations containing back-references to R40.22

Back-references to R40.22

• Type 1 Excludes: R40.2A Nontraumatic coma due to underlying condition ("coma scale, best verbal response (R40.22.-)")

Back-references to R40.2

• Type 1 Excludes: R40.0 Somnolence ("coma (R40.2-)")
• Type 1 Excludes: R40.1 Stupor ("coma (R40.2-)")
• Type 1 Excludes: R55 Syncope and collapse ("unconsciousness NOS (R40.2-)")

Back-references to R40

• Type 1 Excludes: R41.82 Altered mental status, unspecified ("altered level of consciousness (R40.-)")
• Use Additional: T67.0 Heatstroke and sunstroke ("coma and stupor (R40.-)")

Nearby codes

• R40.2140 Coma scale, eyes open, spontaneous, unspecified time
• R40.2141 Coma scale, eyes open, spontaneous, in the field [EMT or ambulance]
• R40.2142 Coma scale, eyes open, spontaneous, at arrival to emergency department
• R40.2143 Coma scale, eyes open, spontaneous, at hospital admission
• R40.2144 Coma scale, eyes open, spontaneous, 24 hours or more after hospital admission
• R40.22 Coma scale, best verbal response (this code)
• R40.221 Coma scale, best verbal response, none
• R40.2210 Coma scale, best verbal response, none, unspecified time
• R40.2211 Coma scale, best verbal response, none, in the field [EMT or ambulance]
• R40.2212 Coma scale, best verbal response, none, at arrival to emergency department
• R40.2213 Coma scale, best verbal response, none, at hospital admission