Specific code 2014 ICD-9-CM Diagnosis Code 780.09
Other alteration of consciousness
  • Billable Code
  • Short description: Other alter consciousnes.
  • ICD-9-CM 780.09 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 780.09 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Absences
  • Acquired metabolic and toxic encephalopathies
  • Brief loss of consciousness
  • Cerebral irresponsivity
  • Complaining of somnolence
  • Daytime somnolence
  • Delirious
  • Delirium
  • Delirium of mixed origin
  • Disorders of excessive somnolence
  • Disturbance of consciousness
  • Drowsiness
  • Drowsiness of the newborn
  • Drowsy
  • Drugged state
  • Excessive somnolence
  • Funny turn
  • Gets drowsiness
  • Glasgow coma scale, 11
  • Glasgow coma scale, 13
  • Glasgow coma scale, 15
  • Glasgow coma scale, 8
  • Glasgow coma scale, 9
  • Grayout
  • Hypnotic state
  • Intermittent drowsiness
  • Loss of consciousness
  • Mental status, daytime somnolence
  • Mental status, disturbance of consciousness
  • Mental status, drowsy
  • Mental status, semicoma
  • Mental status, stupor
  • Mental status, unconsciousness
  • Moderate duration loss of consciousness
  • Narcosis
  • On examination - clouded consciousness
  • On examination - decreased level of consciousness
  • On examination - delirious
  • On examination - drowsy
  • On examination - loss of consciousness
  • On examination - semiconscious
  • On examination - unconscious/comatose
  • Palinesthesia
  • Post-ictal drowsiness
  • Prolonged loss of consciousness
  • Secondary amyloid encephalopathy
  • Sedated
  • Seems in a trance
  • Semicoma
  • Semiconscious
  • Sleepy
  • Somnolence
  • Somnolence (sleepiness)
  • Somnolence syndrome
  • Somnolence, daytime
  • Stupor
  • Unconscious
  • Unconsciousness
  • Whiteout
Clinical Information
  • (ob-tun-day-shun) a dulled or reduced level of alertness or consciousness.
  • Loss of the ability to maintain awareness of self and environment combined with markedly reduced responsiveness to environmental stimuli.
  • The neurologic status characterized by the occurrence of a loss of the ability to perceive and respond.
Applies To
  • Drowsiness
  • Semicoma
  • Unconsciousness
  • Somnolence
  • Stupor
Convert to ICD-10-CM: 780.09 converts approximately to:
  • 2014 ICD-10-CM R40.0 Somnolence
    Or:
  • 2014 ICD-10-CM R40.1 Stupor
ICD-9-CM Volume 2 Index entries containing back-references to 780.09:
  • Alteration (of), altered
    • awareness 780.09
    • consciousness 780.09
  • Clouded state 780.09
    • epileptic (see also Epilepsy) 345.9
    • paroxysmal (idiopathic) (see also Epilepsy) 345.9
  • Delirium, delirious 780.09
    • acute 780.09
      • due to conditions classified elsewhere 293.0
    • chronic (see also Psychosis) 293.89
      • due to or associated with physical condition - see Psychosis, organic
    • due to conditions classified elsewhere 293.0
    • eclamptic (see also Eclampsia) 780.39
    • exhaustion (see also Reaction, stress, acute) 308.9
    • manic, maniacal (acute) (see also Psychosis, affective) 296.0
    • subacute (psychotic) 293.1
    • thyroid (see also Thyrotoxicosis) 242.9
    • traumatic - see also Injury, intracranial
      • with
        • lesion, spinal cord - see Injury, spinal, by site
        • shock, spinal - see Injury, spinal, by site
    • tremens (impending) 291.0
    • uremic - see Uremia
  • Drowsiness 780.09
  • Episode
    • hyporesponsive 780.09
  • Hyporesponsive episode 780.09
  • Loss
    • consciousness 780.09
  • Narcosis
    • due to drug
      • correct substance properly administered 780.09
      • overdose or wrong substance given or taken 977.9
        • specified drug - see Table of Drugs and Chemicals
  • Semicoma 780.09
  • Semiconsciousness 780.09
  • Somnolence 780.09
  • Stupor 780.09
    • catatonic (see also Schizophrenia) 295.2
    • circular (see also Psychosis, manic-depressive, circular) 296.7
    • manic-depressive (see also Psychosis, affective) 296.89
    • mental (anergic) (delusional) 298.9
    • reaction to exceptional stress (transient) 308.2
    • traumatic NEC - see also Injury, intracranial
      • with spinal (cord)
        • lesion - see Injury, spinal, by site
        • shock - see Injury, spinal by site
  • Trance 780.09
  • Unconscious, unconsciousness 780.09
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 780.09 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.