Fatigue And Malaise ICD-10-CM Codes

Fatigue And Malaise ICD-10-CM Codes

Explore the specific ICD-10 codes for diagnosing fatigue and malaise. Understand their clinical significance & applications in today's healthcare industry.

By Chloe Smith on Jul 16, 2025.

Fact Checked by RJ Gumban.

Use Code

What ICD-10 codes are used for fatigue and malaise?

Fatigue and malaise are prevalent symptoms that often signify various health conditions. These symptoms can be challenging to diagnose due to their subjective nature and broad applicability.

The International Classification of Diseases, 10th Edition (ICD-10) provides specific codes to standardize the documentation and communication of these symptoms. Here, we delve into some of the most frequently used ICD-10 codes for fatigue and malaise:

  1. R53This code denotes general malaise and fatigue. It applies when a patient experiences a vague sensation of bodily discomfort or a generalized sense of feeling unwell and exhausted. This code is typically used in situations where the cause of the malaise and fatigue is not immediately apparent or is linked to multiple conditions. This code is no longer valid and billable. Please use any of the following instead: R53.0 (neoplastic (malignant) related fatigue), R53.1 (weakness), and R53.2 (functional quadriplegia).
  2. R53.83 - Other fatigue: This code is reserved for other types of fatigue, not categorized under the general bracket. It might relate to fatigue from distinct medical conditions, situations, or unique patient experiences.
  3. R53.8 - Other malaise and fatigue: This code is deployed for other malaise and fatigue, indicating a blend of symptoms that don't conform to the standard classifications. It's useful for cases where patients exhibit malaise and fatigue but not in the typical presentation understood under code R53. This code is no longer valid and billable. Please use any of the following instead: R53.81 (other malaise), R53.82 (chronic fatigue, unspecified), and R53.83 (other fatigue).
  4. R53.81 - Other malaise: This code is earmarked for other malaise, referring to a pervasive discomfort or illness not attributable to a known disease or condition. It is often used when patients report feeling unwell without specific symptoms or identifiable causes.
  5. R53.82 - Chronic fatigue, unspecified: This code is designated for chronic fatigue, unspecified. It comes into play when a patient grapples with long-term, inexplicable, severe tiredness, often unrelated to physical exertion and not alleviated by rest.

These ICD-10 codes are indispensable in the healthcare industry, enabling precise documentation, diagnosis, treatment planning, and billing. They institute a universal language that ensures seamless communication among healthcare providers around the globe.

Which fatigue and malaise ICD codes are billable?

Most of the fatigue and malaise ICD-10-CM codes are valid and billable. Please check the list above to see which ones are no longer valid and billable, and what alternative choices you have to use instead.

Clinical information

Understanding the clinical aspects of fatigue and malaise is vital for appropriate diagnosis and treatment. Below are detailed descriptions of these conditions:

  • Fatigue: This is a pervasive sensation of tiredness or exhaustion, which can manifest physically, mentally, or both. This common symptom can significantly affect a person's daily function and quality of life.
  • Malaise: This term describes a generalized discomfort, unease, or ill health. It is often an early indicator of an underlying disease process. Malaise is not a disease but a sign that something may be wrong in the body.
  • Chronic fatigue: Chronic fatigue is a long-standing condition characterized by profound tiredness. Other known medical conditions do not directly cause it and do not improve with rest. This debilitating condition can dramatically impact an individual's ability to perform routine activities.
  • Other malaise: This refers to a general feeling of discomfort or illness without a specific identifiable cause. It's a broad term used when a patient reports feeling unwell, but further investigation is needed to pinpoint the exact cause.

These definitions provide a fundamental understanding of the symptoms represented by specific ICD-10 codes, aiding in their correct usage in clinical settings.

Synonyms include

  • Lethargy
  • Exhaustion
  • Weakness
  • Weariness
  • Tiredness
  • Symptoms, signs, and abnormal clinical findings showing fatigue
  • Clinical and laboratory findings pointing to malaise
  • Chronic fatigue syndrome
  • Fatigue with recurrent depressive episodes
  • Exhaustion and fatigue due to unspecified illnesses
  • Exhaustion and fatigue due to excessive exertion
  • Senile debility contributing to fatigue and malaise
  • Congenital debility contributing to fatigue and malaise

Popular search terms for fatigue and malaise ICD-10-CM code

  • Fatigue and malaise ICD-10 code
  • ICD-10 fatigue and malaise
  • Fatigue and malaise diagnosis codes
  • ICD-10 codes for fatigue and malaise

Related ICDs

EHR and practice management software

Get started for free

*No credit card required

Free

$0/usd

Unlimited clients

Telehealth

1GB of storage

Client portal text

Automated billing and online payments