Section R40-R46 | Symptoms signs involving cognition

R40

Code hierarchy

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
    - R40.212 Coma scale, eyes open, to pain
    - R40.213 Coma scale, eyes open, to sound
    - R40.214 Coma scale, eyes open, spontaneous
  - R40.22 Coma scale, best verbal response
    - 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
  - R40.23 Coma scale, best motor response
    - R40.231 Coma scale, best motor response, none
    - R40.232 Coma scale, best motor response, extension
    - R40.233 Coma scale, best motor response, abnormal flexion
    - R40.234 Coma scale, best motor response, flexion withdrawal
    - R40.235 Coma scale, best motor response, localizes pain
    - R40.236 Coma scale, best motor response, obeys commands
  - R40.24 Glasgow coma scale, total score
    - R40.241 Glasgow coma scale score 13-15
    - R40.242 Glasgow coma scale score 9-12
    - R40.243 Glasgow coma scale score 3-8
    - R40.244 Other coma, without documented Glasgow coma scale score, or with partial score reported
  - R40.2A Nontraumatic coma due to underlying condition
- R40.3 Persistent vegetative state
- R40.4 Transient alteration of awareness

Somnolence, stupor and coma

R41

Code hierarchy

R41 Other symptoms and signs involving cognitive functions and awareness
- R41.0 Disorientation, unspecified
- R41.1 Anterograde amnesia
- R41.2 Retrograde amnesia
- R41.3 Other amnesia
- R41.4 Neurologic neglect syndrome
- R41.8 Other symptoms and signs involving cognitive functions and awareness
  - R41.81 Age-related cognitive decline
  - R41.82 Altered mental status, unspecified
  - R41.83 Borderline intellectual functioning
  - R41.84 Other specified cognitive deficit
    - R41.840 Attention and concentration deficit
    - R41.841 Cognitive communication deficit
    - R41.842 Visuospatial deficit
    - R41.843 Psychomotor deficit
    - R41.844 Frontal lobe and executive function deficit
  - R41.85 Anosognosia
  - R41.89 Other symptoms and signs involving cognitive functions and awareness
- R41.9 Unspecified symptoms and signs involving cognitive functions and awareness

Other symptoms and signs involving cognitive functions and awareness

R42

Dizziness and giddiness

R43

Code hierarchy

R43 Disturbances of smell and taste
- R43.0 Anosmia
- R43.1 Parosmia
- R43.2 Parageusia
- R43.8 Other disturbances of smell and taste
- R43.9 Unspecified disturbances of smell and taste

Disturbances of smell and taste

R44

Code hierarchy

R44 Other symptoms and signs involving general sensations and perceptions
- R44.0 Auditory hallucinations
- R44.1 Visual hallucinations
- R44.2 Other hallucinations
- R44.3 Hallucinations, unspecified
- R44.8 Other symptoms and signs involving general sensations and perceptions
- R44.9 Unspecified symptoms and signs involving general sensations and perceptions

Other symptoms and signs involving general sensations and perceptions

R45

Code hierarchy

R45 Symptoms and signs involving emotional state
- R45.0 Nervousness
- R45.1 Restlessness and agitation
- R45.2 Unhappiness
- R45.3 Demoralization and apathy
- R45.4 Irritability and anger
- R45.5 Hostility
- R45.6 Violent behavior
- R45.7 State of emotional shock and stress, unspecified
- R45.8 Other symptoms and signs involving emotional state
  - R45.81 Low self-esteem
  - R45.82 Worries
  - R45.83 Excessive crying of child, adolescent or adult
  - R45.84 Anhedonia
  - R45.85 Homicidal and suicidal ideations
    - R45.850 Homicidal ideations
    - R45.851 Suicidal ideations
  - R45.86 Emotional lability
  - R45.87 Impulsiveness
  - R45.88 Nonsuicidal self-harm
  - R45.89 Other symptoms and signs involving emotional state

Symptoms and signs involving emotional state

R46

Code hierarchy

R46 Symptoms and signs involving appearance and behavior
- R46.0 Very low level of personal hygiene
- R46.1 Bizarre personal appearance
- R46.2 Strange and inexplicable behavior
- R46.3 Overactivity
- R46.4 Slowness and poor responsiveness
- R46.5 Suspiciousness and marked evasiveness
- R46.6 Undue concern and preoccupation with stressful events
- R46.7 Verbosity and circumstantial detail obscuring reason for contact
- R46.8 Other symptoms and signs involving appearance and behavior
  - R46.81 Obsessive-compulsive behavior
  - R46.89 Other symptoms and signs involving appearance and behavior

Symptoms and signs involving appearance and behavior

Section R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior R40-R46

Excludes-2 for R40-R46:

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