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    v1.0.28
    OpenPayerBilling CodesGeneral symptoms and signsICD-10-CM r55-syncope-and-collapse
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    ICD-10-CM Code For Syncope And Collapse: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group R55 includes diagnoses for syncope and collapse, covering transient loss of consciousness, fainting spells, and sudden collapses due to transient cerebral hypoperfusion or other acute causes. These ICD-10-CM diagnosis codes are used to document episodes of fainting, syncope workups, and related clinical encounters, capturing severity and clinical context of the event. Accurate coding within the ICD-10-CM R55 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM R55: Syncope And Collapse Overview

    The diagnoses in this group represent transient loss of consciousness and related collapse events affecting the neurologic and cardiovascular systems. They target episodes where cerebral hypoperfusion or other causes lead to fainting or sudden collapse. Accurate coding ensures clinical events are documented correctly and supports appropriate reimbursement for services related to evaluation and management of these episodes.

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    When to Use

    Use a code from this group when a patient presents with an episode of syncope, fainting, or unexplained collapse documented in the medical record. Assign these codes when the primary clinical concern for the encounter is the syncope or collapse event and related evaluation or treatment.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    R55Syncope and collapse

    DRG Codes

    1 rows

    DRG CodeDescription
    312Syncope and Collapse

    Typical Clinical Scenarios

    • An elderly patient with multiple comorbidities is brought to the emergency department after a witnessed transient loss of consciousness while standing up from a chair, with no focal neurological deficits on exam and normal initial ECG and head CT. The immediate concern is to document the event as syncope pending workup to rule out arrhythmic, structural cardiac, or neurogenic causes; therefore a diagnosis from this group is assigned to capture the presenting symptom of transient loss of consciousness. Typical codes: R55
    • A middle-aged outpatient with recurrent brief episodes of fainting over several months that occur unpredictably and are not associated with prolonged confusion or seizure activity presents to cardiology for evaluation; ambulatory monitoring and tilt-table testing are planned to investigate possible vasovagal or orthostatic mechanisms. While etiologic testing is ongoing and no definitive cause has been established, a symptom-level diagnosis from this group is used for documentation and coding of the recurrent collapse events. Typical codes: R55
    • A hospitalized patient admitted for a fall-related femoral fracture is noted to have had a preceding abrupt collapse without warning while ambulating; fall evaluation and injury management are the focus, and the transient loss of consciousness is documented as part of the hospital problem list for inpatient care and discharge summary. The collapse is coded as a presenting symptom to reflect the event leading to injury and to guide further evaluation for underlying causes. Typical codes: R55

    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

    R53-MALAISE-AND-FATIGUE

    ICD-10-CM Code For Malaise And Fatigue: Group Overview

    R54-AGE-RELATED-PHYSICAL-DEBILITY

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