1. ICD-10-CM Codes
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2. R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
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3. R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior
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Somnolence, stupor and coma R40- >

• R40 Somnolence, stupor and coma
  • R40.0 Somnolence
  • R40.1 Stupor
  • R40.2 Coma
    • R40.20 Unspecified coma
    • R40.21 Coma scale, eyes open
      • R40.211 Coma scale, eyes open, never
        • R40.2110 …… unspecified time
        • R40.2111 …… in the field [EMT or ambulance]
        • R40.2112 …… at arrival to emergency department
        • R40.2113 …… at hospital admission
        • R40.2114 …… 24 hours or more after hospital admission
      • R40.212 Coma scale, eyes open, to pain
        • R40.2120 …… unspecified time
        • R40.2121 …… in the field [EMT or ambulance]
        • R40.2122 …… at arrival to emergency department
        • R40.2123 …… at hospital admission
        • R40.2124 …… 24 hours or more after hospital admission
      • R40.213 Coma scale, eyes open, to sound
        • R40.2130 …… unspecified time
        • R40.2131 …… in the field [EMT or ambulance]
        • R40.2132 …… at arrival to emergency department
        • R40.2133 …… at hospital admission
        • R40.2134 …… 24 hours or more after hospital admission
      • R40.214 Coma scale, eyes open, spontaneous
        • R40.2140 …… unspecified time
        • R40.2141 …… in the field [EMT or ambulance]
        • R40.2142 …… at arrival to emergency department
        • R40.2143 …… at hospital admission
        • R40.2144 …… 24 hours or more after hospital admission
    • R40.22 Coma scale, best verbal response
      • R40.221 Coma scale, best verbal response, none
        • R40.2210 …… unspecified time
        • R40.2211 …… in the field [EMT or ambulance]
        • R40.2212 …… at arrival to emergency department
        • R40.2213 …… at hospital admission
        • R40.2214 …… 24 hours or more after hospital admission
      • R40.222 Coma scale, best verbal response, incomprehensible words
        • R40.2220 …… unspecified time
        • R40.2221 …… in the field [EMT or ambulance]
        • R40.2222 …… at arrival to emergency department
        • R40.2223 …… at hospital admission
        • R40.2224 …… 24 hours or more after hospital admission
      • R40.223 Coma scale, best verbal response, inappropriate words
        • R40.2230 …… unspecified time
        • R40.2231 …… in the field [EMT or ambulance]
        • R40.2232 …… at arrival to emergency department
        • R40.2233 …… at hospital admission
        • R40.2234 …… 24 hours or more after hospital admission
      • R40.224 Coma scale, best verbal response, confused conversation
        • R40.2240 …… unspecified time
        • R40.2241 …… in the field [EMT or ambulance]
        • R40.2242 …… at arrival to emergency department
        • R40.2243 …… at hospital admission
        • R40.2244 …… 24 hours or more after hospital admission
      • R40.225 Coma scale, best verbal response, oriented
        • R40.2250 …… unspecified time
        • R40.2251 …… in the field [EMT or ambulance]
        • R40.2252 …… at arrival to emergency department
        • R40.2253 …… at hospital admission
        • R40.2254 …… 24 hours or more after hospital admission
    • R40.23 Coma scale, best motor response
      • R40.231 Coma scale, best motor response, none
        • R40.2310 …… unspecified time
        • R40.2311 …… in the field [EMT or ambulance]
        • R40.2312 …… at arrival to emergency department
        • R40.2313 …… at hospital admission
        • R40.2314 …… 24 hours or more after hospital admission
      • R40.232 Coma scale, best motor response, extension
        • R40.2320 …… unspecified time
        • R40.2321 …… in the field [EMT or ambulance]
        • R40.2322 …… at arrival to emergency department
        • R40.2323 …… at hospital admission
        • R40.2324 …… 24 hours or more after hospital admission
      • R40.233 Coma scale, best motor response, abnormal flexion
        • R40.2330 …… unspecified time
        • R40.2331 …… in the field [EMT or ambulance]
        • R40.2332 …… at arrival to emergency department
        • R40.2333 …… at hospital admission
        • R40.2334 …… 24 hours or more after hospital admission
      • R40.234 Coma scale, best motor response, flexion withdrawal
        • R40.2340 …… unspecified time
        • R40.2341 …… in the field [EMT or ambulance]
        • R40.2342 …… at arrival to emergency department
        • R40.2343 …… at hospital admission
        • R40.2344 …… 24 hours or more after hospital admission
      • R40.235 Coma scale, best motor response, localizes pain
        • R40.2350 …… unspecified time
        • R40.2351 …… in the field [EMT or ambulance]
        • R40.2352 …… at arrival to emergency department
        • R40.2353 …… at hospital admission
        • R40.2354 …… 24 hours or more after hospital admission
      • R40.236 Coma scale, best motor response, obeys commands
        • R40.2360 …… unspecified time
        • R40.2361 …… in the field [EMT or ambulance]
        • R40.2362 …… at arrival to emergency department
        • R40.2363 …… at hospital admission
        • R40.2364 …… 24 hours or more after hospital admission
    • R40.24 Glasgow coma scale, total score
      • R40.241 Glasgow coma scale score 13-15
        • R40.2410 …… unspecified time
        • R40.2411 …… in the field [EMT or ambulance]
        • R40.2412 …… at arrival to emergency department
        • R40.2413 …… at hospital admission
        • R40.2414 …… 24 hours or more after hospital admission
      • R40.242 Glasgow coma scale score 9-12
        • R40.2420 …… unspecified time
        • R40.2421 …… in the field [EMT or ambulance]
        • R40.2422 …… at arrival to emergency department
        • R40.2423 …… at hospital admission
        • R40.2424 …… 24 hours or more after hospital admission
      • R40.243 Glasgow coma scale score 3-8
        • R40.2430 …… unspecified time
        • R40.2431 …… in the field [EMT or ambulance]
        • R40.2432 …… at arrival to emergency department
        • R40.2433 …… at hospital admission
        • R40.2434 …… 24 hours or more after hospital admission
      • R40.244 Other coma, without documented Glasgow coma scale score, or with partial score reported
        • R40.2440 …… unspecified time
        • R40.2441 …… in the field [EMT or ambulance]
        • R40.2442 …… at arrival to emergency department
        • R40.2443 …… at hospital admission
        • R40.2444 …… 24 hours or more after hospital admission
  • R40.3 Persistent vegetative state
  • R40.4 Transient alteration of awareness