2025 ICD-10-CM Diagnosis Code R45.4
Irritability and anger
- ICD-10-CM Code:
- R45.4
- ICD-10 Code for:
- Irritability and anger
- Is Billable?
- Yes - Valid for Submission
- Chronic Condition Indicator: [1]
- Not chronic
- Code Navigator:
R45.4 is a billable diagnosis code used to specify a medical diagnosis of irritability and anger. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2024 through September 30, 2025.
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.
Approximate Synonyms
The following list of clinical terms are approximate synonyms, alternative descriptions, or common phrases that might be used by patients, healthcare providers, or medical coders to describe the same condition. These synonyms and related diagnosis terms are often used when searching for an ICD-10 code, especially when the exact medical terminology is unclear. Whether you're looking for lay terms, similar diagnosis names, or common language alternatives, this list can help guide you to the correct ICD-10 classification.
- Able to control anger
- Able to control emotions
- Anger reaction
- Anger stage of grief
- Breath holding with temper
- Difficulty controlling anger
- Difficulty controlling emotions
- Feeling aggressive
- Feeling angry
- Feeling angry
- Feeling angry
- Feeling angry
- Feeling irritable
- Feeling irritable
- Feeling irritable
- Feeling irritable
- Finding related to ability to control anger
- Finding related to ability to control anger
- Finding related to ability to control anger
- Finding related to ability to control emotions
- Finding related to ability to control emotions
- Finding related to ability to control emotions
- Fussy toddler
- Grieving process stage - finding
- Hyperirritability
- Irritability and anger
- Irritability and anger
- Irritability and anger
- Irritability postvaccinal
- Oppositional defiant disorder
- Oppositional defiant disorder
- Oppositional defiant disorder co-occurrent with chronic irritability-anger
- Oppositional defiant disorder co-occurrent with chronic irritability-anger with normal prosocial emotions
- Outbursts of anger
- Temper problem
- Temper problem
- Unable to control anger
Clinical Classification
Clinical Classifications group individual ICD-10-CM diagnosis codes into broader, clinically meaningful categories. These categories help simplify complex data by organizing related conditions under common clinical themes.
They are especially useful for data analysis, reporting, and clinical decision-making. Even when diagnosis codes differ, similar conditions can be grouped together based on their clinical relevance. Each category is assigned a unique CCSR code that represents a specific clinical concept, often tied to a body system or medical specialty.
Symptoms of mental and substance use conditions
CCSR Code: SYM008
Inpatient Default: Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.
Outpatient Default: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.
Clinical Information
Oppositional Defiant Disorder
a repetitive and persistent pattern of behavior that develops in childhood and is characterized as recurrent disobedient, overall negative or agitated mood, a quarrelsome attitude or being vengeful toward authority figures. unlike in conduct disorder defiant behaviors in oppositional defiant disorders typically do not involve aggression, destruction, theft, or deceit. oppositional defiant disorder, conduct disorder and attention deficit and hyperactivity disorder sometimes co-occur.Oppositional Defiant Disorder
a behavior disorder characterized by a persistent pattern of defiant, disobedient, and hostile behavior towards authority figures, manifested by a frequent loss of temper, arguing, becoming angry or vindictive, or other negativistic behaviors.
Index to Diseases and Injuries References
The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).
- - Anger - R45.4
- - Irritable, irritability - R45.4
Convert R45.4 to ICD-9-CM
Below are the ICD-9 codes that most closely match this ICD-10 code, based on the General Equivalence Mappings (GEMs). This ICD-10 to ICD-9 crosswalk tool is helpful for coders who need to reference legacy diagnosis codes for audits, historical claims, or approximate code comparisons.
Irritability
ICD-9-CM: 799.22
Approximate Flag - The approximate mapping means this ICD-10 code does not have an exact ICD-9 equivalent. The matched code is the closest available option, but it may not fully capture the original diagnosis or clinical intent.
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
- FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
- FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.
Footnotes
[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.
