All ICD10 Codes
Chapter 18

R00–R99: Symptoms, Signs and Abnormal Clinical and Laboratory Findings

Symptoms, Signs and Abnormal Clinical and Laboratory Findings diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)
All CodesBillable Only
Internal Codes
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  • 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

  • R40.222—

    Coma scale, best verbal response, incomprehensible words

  • 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

  • R40.223—

    Coma scale, best verbal response, inappropriate words

  • 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

  • R40.224—

    Coma scale, best verbal response, confused conversation

  • 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

  • R40.225—

    Coma scale, best verbal response, oriented

  • 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

  • R40.23—

    Coma scale, best motor response

  • R40.231—

    Coma scale, best motor response, none

  • 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

  • R40.232—

    Coma scale, best motor response, extension

  • 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

  • R40.233—

    Coma scale, best motor response, abnormal flexion

  • 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

  • R40.234—

    Coma scale, best motor response, flexion withdrawal

  • 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

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