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    v1.0.28
    OpenPayerBilling CodesSymptoms and signs involving the circulatory and respiratory systemsICD-10-CM r05-cough
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    ICD-10-CM Code For Cough: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group R05 includes diagnoses for cough as a clinical symptom, covering acute, chronic, and unspecified cough presentations. These ICD-10-CM diagnosis codes are used to document respiratory symptomatology, capture clinical severity and duration, and indicate the need for further diagnostic evaluation. Accurate coding within the ICD-10-CM R05 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM R05: Cough Overview

    The ICD-10-CM R05 code group represents cough-related diagnoses affecting the respiratory system, ranging from acute coughs to chronic or unspecified cough. These codes classify the symptom of cough rather than a specific underlying disease and are used across outpatient and inpatient settings. Accurate coding supports appropriate claim adjudication and reflects clinical intent for reimbursement.

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    When to Use

    Use a code from this group when the primary clinical documentation records cough as a symptom and no more specific underlying condition is coded or when the cough itself is the focus of evaluation and management. Select codes reflecting acuity and duration when documented to accurately represent the clinical scenario for coding and billing purposes.

    ICD-10-CM Codes

    6 rows

    ICD-10-CM CodeDescription
    R05.1Acute cough
    R05.2Subacute cough
    R05.3Chronic cough
    R05.4Cough syncope
    R05.8Other specified cough
    R05.9Cough, unspecified

    DRG Codes

    1 rows

    DRG CodeDescription
    204Respiratory Signs and Symptoms

    Typical Clinical Scenarios

    • An adult presents to urgent care with a sudden onset of harsh, productive cough after a recent upper respiratory infection. The patient reports fever, chest discomfort, and greenish sputum for 3 days prompting evaluation; auscultation is otherwise unremarkable and no chronic lung disease is documented. A cough-focused diagnosis is assigned to capture the acute symptom driving the visit. Typical codes: R05.1, R05.3
    • A middle-aged patient with a history of chronic bronchitis and daily wheeze is seen in primary care for persistent, intermittent coughing lasting several weeks that worsens with exertion and at night. The visit documents chronicity, baseline pulmonary diagnosis, and cough as a chronic symptom requiring management adjustments; the encounter assigns a code to reflect the ongoing cough as part of the chronic respiratory presentation. Typical codes: R05.2, R05.9
    • An elderly nursing home resident is evaluated after aspiration of oral secretions leading to paroxysmal coughing and hypoxia; the cough is recorded as a new complication complicating recovery from a stroke. The cough is coded to indicate the symptom contributing to the current acute care needs and to track the complication of aspiration-related airway irritation. Typical codes: R05.4, R05.8

    Related Codes

    R00-ABNORMALITIES-OF-HEART-BEAT

    ICD-10-CM Code For Abnormalities Of Heart Beat: Group Overview

    R01-CARDIAC-MURMURS-AND-OTHER-CARDIAC-SOUNDS

    ICD-10-CM Code For Cardiac Murmurs And Other Cardiac Sounds: Group Overview

    R03-ABNORMAL-BLOOD-PRESSURE-READING

    ICD-10-CM Code For Abnormal Blood-Pressure Reading Without Diagnosis: Group Overview

    R04-HEMORRHAGE-FROM-RESPIRATORY-PASSAGES

    ICD-10-CM Code For Hemorrhage From Respiratory Passages: Group Overview

    R06-ABNORMALITIES-OF-BREATHING

    ICD-10-CM Code For Abnormalities Of Breathing: Group Overview

    R07-PAIN-IN-THROAT-AND-CHEST

    ICD-10-CM Code For Pain In Throat And Chest: Group Overview

    R09-OTHER-SYMPTOMS-AND-SIGNS

    ICD-10-CM Code For Other Symptoms And Signs Involving The Circulatory And Respiratory System: Group Overview

    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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