R45.2
BillableUnhappiness
Unhappiness
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(8)
R45.0Nervousness
R45.1Restlessness and agitation
R45.3Demoralization and apathy
R45.4Irritability and anger
R45.5Hostility
R45.6Violent behavior
R45.7State of emotional shock and stress, unspecified
R45.8Other symptoms and signs involving emotional state
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(22)
SNOMED CT
Clinical Terms
- Chronic sadness
- Feeling sad
- Persistent sadness
- Feeling despair
- Improved mood
- Reduced level of chronic sadness
- Reduced level of persistent sadness
- Despair
- Unhappy
- Feeling unhappy
Frequently Asked Questions
What is the ICD-10 code for unhappiness?
The ICD-10-CM code for unhappiness is R45.2. The full clinical description is "Unhappiness". R45.2 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R45.2 mean?
ICD-10-CM code R45.2 represents “Unhappiness”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R45.2 a billable code?
Yes, R45.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R45.2 in?
R45.2 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What SNOMED CT codes does R45.2 map to?
R45.2 maps to 5 SNOMED CT concepts: 1217332007, 17029006, 420038007, 733819000, 1157202002. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R45.2?
R45.2 is linked to 1 UMLS Concept Unique Identifier: C0476477. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R45.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unhappiness affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R45.2?
R45.2 maps to the ICD-11 code: MB24.Z (Symptoms and signs involving mood or affect, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.