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    v1.0.28
    OpenPayerBilling CodesGeneral symptoms and signsICD-10-CM r53-malaise-and-fatigue
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    ICD-10-CM Code For Malaise And Fatigue: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group R53 includes diagnoses for malaise and fatigue, covering generalized weakness, chronic fatigue, and related nonspecific tiredness symptoms that may be symptomatic of systemic or other underlying conditions. These ICD-10-CM diagnosis codes are used to document patient-reported symptom severity, duration, and impact on function, capturing clinical complexity relevant to this group. Accurate coding within the ICD-10-CM R53 group supports proper claim adjudication and appropriate reimbursement.

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    ICD-10-CM R53: Malaise And Fatigue Overview

    The ICD-10-CM R53 group covers nonspecific symptoms of malaise and fatigue that may reflect systemic illness, deconditioning, or other underlying conditions. These codes describe patient-reported generalized weakness, tiredness, or lack of energy rather than a single organ system disorder. Accurate coding matters for reimbursement because it documents symptom burden and supports the medical necessity of further evaluation and management.

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    When to Use

    Use a code from this group when the primary clinical reason for the encounter is malaise or fatigue without a more specific underlying diagnosis documented. These codes are appropriate to describe symptom severity and functional impact when evaluation or management is directed at the fatigue or malaise itself.

    ICD-10-CM Codes

    6 rows

    ICD-10-CM CodeDescription
    R53.0Neoplastic (malignant) related fatigue
    R53.1Weakness
    R53.2Functional quadriplegia
    R53.81Other malaise
    R53.82Chronic fatigue, unspecified
    R53.83Other fatigue

    DRG Codes

    2 rows

    DRG CodeDescription
    947Signs and Symptoms with MCC
    948Signs and Symptoms without MCC

    Typical Clinical Scenarios

    • An elderly patient with multiple chronic medical problems presents to the emergency department after several days of progressive generalized weakness and lightheadedness preventing ambulation. There is no focal neurologic deficit, no fever, and initial workup (basic labs, ECG) is unremarkable; the clinician documents a primary complaint of generalized weakness/fatigue without identified systemic cause, so a nonspecific fatigue code is assigned. Typical codes: R53.1, R53.2
    • A middle-aged adult with a 6-month history of persistent low energy, decreased stamina, and difficulty completing usual work and household tasks seeks primary care follow-up; sleep patterns and mood screening are noncontributory and prior targeted testing was normal, supporting a diagnosis of chronic fatigue and malaise as an ongoing symptom complex. Because symptoms are long-standing and interfere with daily function but lack a defined medical etiology, a chronic fatigue/malaise code from this group is used. Typical codes: R53.82, R53.1
    • A patient undergoing chemotherapy for lymphoma reports new profound tiredness and inability to carry out normal activities between treatment cycles; the oncology team attributes the symptom to treatment-related systemic effects rather than disease progression, and documents fatigue as a significant comorbidity impacting treatment tolerance. In this context a code reflecting treatment-associated or unspecified fatigue/malaise is recorded to capture symptom burden. Typical codes: R53.81, R53.83

    Related Codes

    R50-FEVER-OF-OTHER-AND-UNKNOWN-ORIGIN

    ICD-10-CM Code For Fever Of Other And Unknown Origin: Group Overview

    R51-HEADACHE

    ICD-10-CM Code For Headache: Group Overview

    R52-PAIN-UNSPECIFIED

    ICD-10-CM Code For Pain Unspecified: Group Overview

    R54-AGE-RELATED-PHYSICAL-DEBILITY

    ICD-10-CM Code For Age Related Physical Debility: Group Overview

    R55-SYNCOPE-AND-COLLAPSE

    ICD-10-CM Code For Syncope And Collapse: Group Overview

    R56-CONVULSIONS-NOT-ELSEWHERE-CLASSIFIED

    ICD-10-CM Code For Convulsions Not Elsewhere Classified: Group Overview

    R57-SHOCK-NOT-ELSEWHERE-CLASSIFIED

    ICD-10-CM Code For Shock Not Elsewhere Classified: Group Overview

    R58-HEMORRHAGE-NOT-ELSEWHERE-CLASSIFIED

    ICD-10-CM Code For Hemorrhage Not Elsewhere Classified: Group Overview

    R59-ENLARGED-LYMPH-NODES

    ICD-10-CM Code For Enlarged Lymph Nodes: Group Overview

    R60-EDEMA-NOT-ELSEWHERE-CLASSIFIED

    ICD-10-CM Code For Edema Not Elsewhere Classified: Group Overview

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    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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