ICD-10 Diagnosis Code R45.84


Diagnosis Code R45.84

ICD-10: R45.84
Short Description: Anhedonia
Long Description: Anhedonia
This is the 2017 version of the ICD-10-CM diagnosis code R45.84

Code Classification
  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
    • Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
      • Symptoms and signs involving emotional state (R45)

Information for Medical Professionals

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.
Diagnostic Related Groups
The diagnosis code R45.84 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Anhedonia
  • Loss of capacity for enjoyment
  • Markedly diminished pleasure

Information for Patients


Also called: Clinical depression, Dysthymic disorder, Major depressive disorder, Unipolar depression

Depression is a serious medical illness. It's more than just a feeling of being sad or "blue" for a few days. If you are one of the more than 19 million teens and adults in the United States who have depression, the feelings do not go away. They persist and interfere with your everyday life. Symptoms can include

  • Feeling sad or "empty"
  • Loss of interest in favorite activities
  • Overeating, or not wanting to eat at all
  • Not being able to sleep, or sleeping too much
  • Feeling very tired
  • Feeling hopeless, irritable, anxious, or guilty
  • Aches or pains, headaches, cramps, or digestive problems
  • Thoughts of death or suicide

Depression is a disorder of the brain. There are a variety of causes, including genetic, biological, environmental, and psychological factors. Depression can happen at any age, but it often begins in teens and young adults. It is much more common in women. Women can also get postpartum depression after the birth of a baby. Some people get seasonal affective disorder in the winter. Depression is one part of bipolar disorder.

There are effective treatments for depression, including antidepressants, talk therapy, or both.

NIH: National Institute of Mental Health

  • Depression
  • Depression - elderly
  • Depression - stopping your medicines
  • Dysthymia
  • Heart disease and depression
  • Learning about depression
  • Major depression
  • Major depression with psychotic features

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