Nervous system signs and symptoms

Code Families in This Category

• R40 Somnolence, stupor and coma · 100
• R41 Other symptoms and signs involving cognitive functions and awareness · 16
• R29 Other symptoms and signs involving the nervous and musculoskeletal systems · 7
• R47 Speech disturbances, not elsewhere classified · 7
• R26 Abnormalities of gait and mobility · 6
• R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified · 6
• R25 Abnormal involuntary movements · 5
• R43 Disturbances of smell and taste · 5
• R27 Other lack of coordination · 3
• R51 Headache · 3
• R53 Malaise and fatigue · 1

ICD-10-CM Codes in This Category (first 100 of 159)

• R25.0 — Abnormal head movements
• R25.1 — Tremor, unspecified
• R25.3 — Fasciculation
• R25.8 — Other abnormal involuntary movements
• R25.9 — Unspecified abnormal involuntary movements
• R26.0 — Ataxic gait
• R26.1 — Paralytic gait
• R26.2 — Difficulty in walking, not elsewhere classified
• R26.81 — Unsteadiness on feet
• R26.89 — Other abnormalities of gait and mobility
• R26.9 — Unspecified abnormalities of gait and mobility
• R27.0 — Ataxia, unspecified
• R27.8 — Other lack of coordination
• R27.9 — Unspecified lack of coordination
• R29.0 — Tetany
• R29.1 — Meningismus
• R29.2 — Abnormal reflex
• R29.5 — Transient paralysis
• R29.810 — Facial weakness
• R29.818 — Other symptoms and signs involving the nervous system
• R29.90 — Unspecified symptoms and signs involving the nervous system
• R40.2110 — Coma scale, eyes open, never, unspecified time
• R40.2111 — Coma scale, eyes open, never, in the field [EMT or ambulance]
• R40.2112 — Coma scale, eyes open, never, at arrival to emergency department
• R40.2113 — Coma scale, eyes open, never, at hospital admission
• R40.2114 — Coma scale, eyes open, never, 24 hours or more after hospital admission
• R40.2120 — Coma scale, eyes open, to pain, unspecified time
• R40.2121 — Coma scale, eyes open, to pain, in the field [EMT or ambulance]
• R40.2122 — Coma scale, eyes open, to pain, at arrival to emergency department
• R40.2123 — Coma scale, eyes open, to pain, at hospital admission
• R40.2124 — Coma scale, eyes open, to pain, 24 hours or more after hospital admission
• R40.2130 — Coma scale, eyes open, to sound, unspecified time
• R40.2131 — Coma scale, eyes open, to sound, in the field [EMT or ambulance]
• R40.2132 — Coma scale, eyes open, to sound, at arrival to emergency department
• R40.2133 — Coma scale, eyes open, to sound, at hospital admission
• R40.2134 — Coma scale, eyes open, to sound, 24 hours or more after hospital admission
• 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
• R40.2210 — 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
• R40.2214 — Coma scale, best verbal response, none, 24 hours or more after hospital admission
• R40.2220 — Coma scale, best verbal response, incomprehensible words, unspecified time
• R40.2221 — Coma scale, best verbal response, incomprehensible words, in the field [EMT or ambulance]
• R40.2222 — Coma scale, best verbal response, incomprehensible words, at arrival to emergency department
• R40.2223 — Coma scale, best verbal response, incomprehensible words, at hospital admission
• R40.2224 — Coma scale, best verbal response, incomprehensible words, 24 hours or more after hospital admission
• R40.2230 — Coma scale, best verbal response, inappropriate words, unspecified time
• R40.2231 — Coma scale, best verbal response, inappropriate words, in the field [EMT or ambulance]
• R40.2232 — Coma scale, best verbal response, inappropriate words, at arrival to emergency department
• R40.2233 — Coma scale, best verbal response, inappropriate words, at hospital admission
• R40.2234 — Coma scale, best verbal response, inappropriate words, 24 hours or more after hospital admission
• R40.2240 — Coma scale, best verbal response, confused conversation, unspecified time
• R40.2241 — Coma scale, best verbal response, confused conversation, in the field [EMT or ambulance]
• R40.2242 — Coma scale, best verbal response, confused conversation, at arrival to emergency department
• R40.2243 — Coma scale, best verbal response, confused conversation, at hospital admission
• R40.2244 — Coma scale, best verbal response, confused conversation, 24 hours or more after hospital admission
• R40.2250 — Coma scale, best verbal response, oriented, unspecified time
• R40.2251 — Coma scale, best verbal response, oriented, in the field [EMT or ambulance]
• R40.2252 — Coma scale, best verbal response, oriented, at arrival to emergency department
• R40.2253 — Coma scale, best verbal response, oriented, at hospital admission
• R40.2254 — Coma scale, best verbal response, oriented, 24 hours or more after hospital admission
• R40.2310 — Coma scale, best motor response, none, unspecified time
• R40.2311 — Coma scale, best motor response, none, in the field [EMT or ambulance]
• R40.2312 — Coma scale, best motor response, none, at arrival to emergency department
• R40.2313 — Coma scale, best motor response, none, at hospital admission
• R40.2314 — Coma scale, best motor response, none, 24 hours or more after hospital admission
• R40.2320 — Coma scale, best motor response, extension, unspecified time
• R40.2321 — Coma scale, best motor response, extension, in the field [EMT or ambulance]
• R40.2322 — Coma scale, best motor response, extension, at arrival to emergency department
• R40.2323 — Coma scale, best motor response, extension, at hospital admission
• R40.2324 — Coma scale, best motor response, extension, 24 hours or more after hospital admission
• R40.2330 — Coma scale, best motor response, abnormal flexion, unspecified time
• R40.2331 — Coma scale, best motor response, abnormal flexion, in the field [EMT or ambulance]
• R40.2332 — Coma scale, best motor response, abnormal flexion, at arrival to emergency department
• R40.2333 — Coma scale, best motor response, abnormal flexion, at hospital admission
• R40.2334 — Coma scale, best motor response, abnormal flexion, 24 hours or more after hospital admission
• R40.2340 — Coma scale, best motor response, flexion withdrawal, unspecified time
• R40.2341 — Coma scale, best motor response, flexion withdrawal, in the field [EMT or ambulance]
• R40.2342 — Coma scale, best motor response, flexion withdrawal, at arrival to emergency department
• R40.2343 — Coma scale, best motor response, flexion withdrawal, at hospital admission
• R40.2344 — Coma scale, best motor response, flexion withdrawal, 24 hours or more after hospital admission
• R40.2350 — Coma scale, best motor response, localizes pain, unspecified time
• R40.2351 — Coma scale, best motor response, localizes pain, in the field [EMT or ambulance]
• R40.2352 — Coma scale, best motor response, localizes pain, at arrival to emergency department
• R40.2353 — Coma scale, best motor response, localizes pain, at hospital admission
• R40.2354 — Coma scale, best motor response, localizes pain, 24 hours or more after hospital admission
• R40.2360 — Coma scale, best motor response, obeys commands, unspecified time
• R40.2361 — Coma scale, best motor response, obeys commands, in the field [EMT or ambulance]
• R40.2362 — Coma scale, best motor response, obeys commands, at arrival to emergency department
• R40.2363 — Coma scale, best motor response, obeys commands, at hospital admission
• R40.2364 — Coma scale, best motor response, obeys commands, 24 hours or more after hospital admission
• R40.241 — Glasgow coma scale score 13-15
• R40.2410 — Glasgow coma scale score 13-15, unspecified time
• R40.2411 — Glasgow coma scale score 13-15, in the field [EMT or ambulance]
• R40.2412 — Glasgow coma scale score 13-15, at arrival to emergency department

The remaining 59 codes are reachable through the code families above.