R45.5
BillableHostility
Hostility
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(8)
R45.0Nervousness
R45.1Restlessness and agitation
R45.2Unhappiness
R45.3Demoralization and apathy
R45.4Irritability and anger
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(56)
SNOMED CT
- Feeling hatred16962006
- Hostile behavior79351003
- Hostile behaviour79351003
- Hostility79351003
- Bullying247997008
- Emotional bullying247998003
- Teasing247999006
- Tormenting247999006
- Provocative behavior248000000
- Provocative behaviour248000000
- Verbal aggression248003003
- Intimidation279497000
- Threatening behavior284614009
- Threatening behaviour284614009
- Issuing verbal threats284616006
- Verbally threatening behavior284616006
- Verbally threatening behaviour284616006
- Goading284617002
- Character trait finding of level of hostility286797007
- Character trait observations of level of hostility286797007
- Level of aggressiveness286797007
- Aggressive character286798002
- Bullying of child429683003
- Bullying of adult429690008
UMLS
Clinical Terms
- Provocative behavior
- Hostile behaviour
- Teasing
- Verbally threatening behaviour
- Emotional bullying
- Bullying of adult
- Level of aggressiveness
- Character trait finding of level of hostility
- Hostile behavior
- Threatening behaviour
- Character trait observations of level of hostility
- Goading
- Aggressive character
- hostilities
- Bullying
- Tormenting
- Verbally threatening behavior
- Intimidation
- Provocative behaviour
- Threatening behavior
- Hostile behavior (finding)
- Bullying of child
- Issuing verbal threats
- Verbal aggression
- Feeling hatred
Frequently Asked Questions
What is the ICD-10 code for hostility?
The ICD-10-CM code for hostility is R45.5. The full clinical description is "Hostility". R45.5 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R45.5 mean?
ICD-10-CM code R45.5 represents “Hostility”. 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 R45.5 a billable code?
Yes, R45.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R45.5 in?
R45.5 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What SNOMED CT codes does R45.5 map to?
R45.5 maps to 15 SNOMED CT concepts: 286798002, 247997008, 429690008, 429683003, 286797007, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R45.5?
R45.5 is linked to 1 UMLS Concept Unique Identifier: C0020039. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R45.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hostility 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 R45.5?
R45.5 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.