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    v1.0.28
    OpenPayerBilling CodesGeneral symptoms and signsICD-10-CM r52-pain-unspecified
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    ICD-10-CM Code For Pain Unspecified: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group R52 includes diagnoses for unspecified pain presentations, such as general pain not otherwise specified and acute or chronic pain when no more specific site or cause is documented. These ICD-10-CM diagnosis codes are used to document clinical scenarios where pain is the primary symptom but lacks precise localization or confirmed etiology, capturing clinical complexity and duration (acute versus chronic). Accurate coding within the ICD-10-CM R52 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM R52: Pain, Unspecified Overview

    The ICD-10-CM R52 code group represents nonspecific pain complaints that are not classified to a more specific site or etiology. These codes target general symptom reporting across multiple body systems where pain is the primary clinical issue. Accurate coding ensures clinical records reflect patient symptoms and supports appropriate reimbursement through clear documentation.

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    When to Use

    Use a code from this group when pain is the primary complaint and documentation does not identify a specific site, etiology, or more precise diagnosis. These codes apply when clinicians record general or nonspecific pain symptoms that cannot be assigned to a more specific ICD-10-CM code.

    ICD-10-CM Codes

    1 rows

    ICD-10-CM CodeDescription
    R52Pain, unspecified

    DRG Codes

    2 rows

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

    Typical Clinical Scenarios

    • An adult presents to the emergency department after a motor vehicle collision with diffuse musculoskeletal pain but no identifiable fracture or neurologic deficit on imaging and exam. The patient reports severe, generalized body pain that limits mobility and requires acute pain management; because the pain cannot yet be attributed to a specific injury diagnosis, a general pain code is assigned. Typical codes: R52
    • An older patient in primary care with multiple chronic medical conditions reports persistent, generalized pain described as aching and interfering with sleep and daily activities for several months despite trials of targeted therapies. The clinician documents ongoing nonspecific pain without a clear single causative diagnosis after review of prior records, and assigns a general pain code to capture the symptom as a chronic problem. Typical codes: R52
    • A hospitalized postoperative patient recovering from abdominal surgery develops new diffuse pain complaints not explained by surgical complications, infection, or documented focal pathology; pain assessment remains nonspecific and primarily limits participation in rehabilitation. The care team records the nonspecific pain as a concurrent symptom to guide symptom management and coding for the admission. Typical codes: R52

    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

    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

    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

    Showing 1–10 of 17

    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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