Specific code 2015 ICD-9-CM Diagnosis Code 300.00
Anxiety state, unspecified
  • 2015
  • Billable Code
  • ICD-9-CM 300.00 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 300.00 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Anxiety
  • Anxiety disorder
  • Anxiety in childbirth
  • Anxiety postpartum
  • Anxiety, chronic
  • Chronic anxiety
  • Postpartum anxiety
  • Postpartum anxiety (after childbirth)
Clinical Information
  • Apprehension of danger and dread accompanied by restlessness, tension, tachycardia, and dyspnea unattached to a clearly identifiable stimulus
  • Apprehension or fear of impending actual or imagined danger, vulnerability, or uncertainty
  • Feeling of distress or apprehension whose source is unknown
  • Term was discontinued in 1997. In 2000, the term was removed from all records containing it, and replaced with anxiety disorders, its postable counterpart
  • Unpleasant, but not necessarily pathological, emotional state resulting from an unfounded or irrational perception of danger; compare with fear and clinical anxiety
  • Vague uneasy feeling of discomfort or dread accompanied by an autonomic response (the source often nonspecific or unknown to the individual); a feeling of apprehension caused by anticipation of danger. It is an alerting signal that warns of impending danger and enables the individual to take measures to deal with threat
Applies To
  • Anxiety:
    • neurosis
    • reaction
    • state (neurotic)
  • Atypical anxiety disorder
Convert to ICD-10-CM: 300.00 converts directly to:
  • 2015 ICD-10-CM F41.9 Anxiety disorder, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 300.00:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 300.00 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.