Home > 2015 ICD-9-CM Diagnosis Codes > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Symptoms 780-789 > General symptoms 780-
Specific code 2015 ICD-9-CM Diagnosis Code 780.1
Hallucinations
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 780.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 780.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 780.1 converts approximately to:
  • 2015/16 ICD-10-CM R44.0 Auditory hallucinations
    Or:
  • 2015/16 ICD-10-CM R44.2 Other hallucinations
    Or:
  • 2015/16 ICD-10-CM R44.3 Hallucinations, unspecified
Approximate Synonyms
  • Auditory hallucination
  • Auditory hallucinations
  • Gustatory hallucination
  • Gustatory hallucinations
  • Hallucination
  • Hallucination, auditory
  • Hallucination, gustatory
  • Hallucination, olfactory
  • Hallucination, tactile
  • Hallucination, tactile (touch)
  • Olfactory hallucination
  • Olfactory hallucinations
  • Sleep related hallucinations
  • Tactile hallucination
  • Tactile hallucinations
Clinical Information
  • A disorder characterized by a false sensory perception in the absence of an external stimulus
  • A false sensory perception in the absence of an external stimulus
  • A false sensory perception in the absence of an external stimulus, as distinct from an illusion which is a misperception of an external stimulus
  • A sight, sound, smell, taste, or touch that a person believes to be real but is not real. Hallucinations can be caused by nervous system disease, certain drugs, or mental disorders
  • Perceptions through any sense modality in the absence of an appropriate stimulus. (usually indicative of abnormality but may be experienced occasionally by normal persons)
  • Subjectively experienced sensations in the absence of an appropriate stimulus, but which are regarded by the individual as real. They may be of organic origin or associated with mental disorders
  • Subjectively experienced sensations in the absence of an appropriate stimulus, but which are regarded by the individual as real; may be of organic origin, drug induced, or associated with a mental disorder
780.1 Excludes
Applies To
  • Hallucinations:
    • NOS
    • auditory
    • gustatory
    • olfactory
    • tactile
ICD-9-CM Volume 2 Index entries containing back-references to 780.1:
  • Acousma 780.1
  • Gustatory hallucination 780.1
  • Hallucination (auditory) (gustatory) (olfactory) (tactile) 780.1
  • Pseudohallucination 780.1
  • State
    • hallucinatory 780.1
 780.09 ICD9Data.com 780.2 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 780.1 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
Free ICD-9-CM Codes
Site Information
Free ICD-10-CM/PCS Codes
Free HCPCS Codes