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    v1.0.28
    OpenPayerBilling CodesSymptoms and signs involving the digestive system and abdomenICD-10-CM r19-other-symptoms-and-signs-digestive-system
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    ICD-10-CM Code For Other Symptoms And Signs Involving The Digestive System And Abdomen: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group R19 includes nonspecific symptoms and signs involving the digestive system and abdomen, such as abdominal distension, bowel habit changes, and fecal abnormalities that do not yet have a definitive underlying diagnosis. These ICD-10-CM diagnosis codes are used to document clinical presentations like unexplained abdominal symptoms, changes in stool characteristics, or other digestive signs, capturing clinical complexity when a specific disease code is not applicable. Accurate coding within the ICD-10-CM R19 group supports complete clinical documentation and appropriate claim adjudication.

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    ICD-10-CM R19: Other Symptoms And Signs Involving The Digestive System And Abdomen Overview

    This group captures nonspecific and symptom-based diagnoses related to the digestive system and abdomen, such as abdominal distension, changes in bowel habits, and fecal abnormalities. These codes target the gastrointestinal tract and associated abdominal signs when a definitive disease diagnosis is not established. Accurate coding matters for appropriate clinical documentation and correct claim processing to reflect the patient’s presenting problems.

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    When to Use

    Use a code from this group when a patient presents with digestive or abdominal symptoms but no specific etiology has been established or when symptoms are the focus of care. These codes are appropriate for documenting initial evaluations, symptom monitoring, or when diagnostic workup is inconclusive.

    ICD-10-CM Codes

    26 rows

    ICD-10-CM CodeDescription
    R19.00Intra-abdominal and pelvic swelling, mass and lump, unspecified site
    R19.01Right upper quadrant abdominal swelling, mass and lump
    R19.02Left upper quadrant abdominal swelling, mass and lump
    R19.03Right lower quadrant abdominal swelling, mass and lump
    R19.04Left lower quadrant abdominal swelling, mass and lump
    R19.05Periumbilic swelling, mass or lump
    R19.06Epigastric swelling, mass or lump
    R19.07Generalized intra-abdominal and pelvic swelling, mass and lump
    R19.09Other intra-abdominal and pelvic swelling, mass and lump
    R19.11Absent bowel sounds
    R19.12Hyperactive bowel sounds
    R19.15Other abnormal bowel sounds
    R19.2Visible peristalsis
    R19.30Abdominal rigidity, unspecified site
    R19.31Right upper quadrant abdominal rigidity
    R19.32Left upper quadrant abdominal rigidity
    R19.33Right lower quadrant abdominal rigidity
    R19.34Left lower quadrant abdominal rigidity
    R19.35Periumbilic abdominal rigidity
    R19.36Epigastric abdominal rigidity

    Showing 1–20 of 26

    DRG Codes

    8 rows

    DRG CodeDescription
    154Other Ear, Nose, Mouth and Throat Diagnoses with MCC
    155Other Ear, Nose, Mouth and Throat Diagnoses with CC
    156Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC
    391Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC
    392Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC
    393Other Digestive System Diagnoses with MCC
    394Other Digestive System Diagnoses with CC
    395Other Digestive System Diagnoses without CC/MCC

    Related Codes

    R10-ABDOMINAL-AND-PELVIC-PAIN

    ICD-10-CM Code For Abdominal And Pelvic Pain: Group Overview

    R11-NAUSEA-AND-VOMITING

    ICD-10-CM Code For Nausea And Vomiting: Group Overview

    R12-HEARTBURN

    ICD-10-CM Code For Heartburn: Group Overview

    R13-APHAGIA-AND-DYSPHAGIA

    ICD-10-CM Code For Aphagia And Dysphagia: Group Overview

    R14-FLATULENCE-AND-RELATED-CONDITIONS

    ICD-10-CM Code For Flatulence And Related Conditions: Group Overview

    R15-FECAL-INCONTINENCE

    ICD-10-CM Code For Fecal Incontinence: Group Overview

    R16-HEPATOMEGALY-AND-SPLENOMEGALY

    ICD-10-CM Code For Hepatomegaly And Splenomegaly Not Elsewhere Classified: Group Overview

    R17-UNSPECIFIED-JAUNDICE

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

    R18-ASCITES

    ICD-10-CM Code For Ascites: 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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