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    v1.0.28
    OpenPayerBilling CodesIntestinal infectious diseasesICD-10-CM a06-amebiasis
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    ICD-10-CM Code For Amebiasis: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group A06 includes infectious diagnoses caused by Entamoeba species, primarily intestinal amebiasis and its complications such as amebic dysentery and amebic liver abscess. These ICD-10-CM diagnosis codes are used to document clinical encounters for acute and chronic amebic infection, capturing organ involvement and disease severity. Accurate coding within the ICD-10-CM A06 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM A06: Amebiasis Overview

    The ICD-10-CM A06 amebiasis group represents infections caused by Entamoeba histolytica primarily affecting the intestine and occasionally extraintestinal sites such as the liver. These diagnoses target intestinal infectious disease processes and associated complications like dysentery and hepatic abscess. Accurate coding matters for clinical tracking and for capturing severity and complication status that affect reimbursement.

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    When to Use

    Use a code from this group when clinical documentation indicates amebic infection confirmed or strongly suspected, specifying site and any complications. Choose specific codes that reflect intestinal versus extraintestinal involvement and severity to ensure accurate clinical and billing records.

    ICD-10-CM Codes

    12 rows

    ICD-10-CM CodeDescription
    A06.0Acute amebic dysentery
    A06.1Chronic intestinal amebiasis
    A06.2Amebic nondysenteric colitis
    A06.3Ameboma of intestine
    A06.4Amebic liver abscess
    A06.5Amebic lung abscess
    A06.6Amebic brain abscess
    A06.7Cutaneous amebiasis
    A06.81Amebic cystitis
    A06.82Other amebic genitourinary infections
    A06.89Other amebic infections
    A06.9Amebiasis, unspecified

    DRG Codes

    19 rows

    DRG CodeDescription
    023Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis with MCC or Antineoplastic Implant or Epilepsy with Neurostimulator
    024Craniotomy with Major Device Implant or Acute Complex CNS Principal Diagnosis without MCC
    097Non-Bacterial Infection of Nervous System Except Viral Meningitis with MCC
    098Non-Bacterial Infection of Nervous System Except Viral Meningitis with CC
    099Non-Bacterial Infection of Nervous System Except Viral Meningitis without CC/MCC
    177Respiratory Infections and Inflammations with MCC
    178Respiratory Infections and Inflammations with CC
    179Respiratory Infections and Inflammations without CC/MCC
    371Major Gastrointestinal Disorders and Peritoneal Infections with MCC
    372Major Gastrointestinal Disorders and Peritoneal Infections with CC
    373Major Gastrointestinal Disorders and Peritoneal Infections without CC/MCC
    441Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis with MCC
    442Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis with CC
    443Disorders of Liver Except Malignancy, Cirrhosis or Alcoholic Hepatitis without CC/MCC
    606Minor Skin Disorders with MCC
    607Minor Skin Disorders without MCC
    867Other Infectious and Parasitic Diseases Diagnoses with MCC
    868Other Infectious and Parasitic Diseases Diagnoses with CC
    869Other Infectious and Parasitic Diseases Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • An adult presents to the emergency department with sudden onset of severe abdominal cramps, profuse watery diarrhea, fever, and tenesmus after recent travel to an endemic area; stool ova and parasite exam returns positive for Entamoeba histolytica trophozoites and antigen testing confirms invasive colitis, prompting acute antiparasitic therapy. A diagnosis from this group is assigned for acute intestinal amebiasis causing symptomatic colitis. Typical codes: A06.0, A06.1
    • A middle-aged patient with a history of recurrent intermittent episodes of non-bloody loose stools and unexplained weight loss over several months is evaluated in outpatient clinic; repeated stool testing identifies Entamoeba species without signs of systemic toxicity, indicating a chronic carrier state or chronic intestinal infection requiring eradication. A diagnosis from this group is assigned for chronic or unspecified intestinal amebiasis in the ambulatory setting. Typical codes: A06.2, A06.9
    • A hospitalized patient with known invasive amebic colitis develops toxic megacolon and secondary electrolyte abnormalities after prolonged severe diarrhea; surgical and medical teams manage complications and monitor for sepsis. A diagnosis from this group is assigned as the underlying amebic infection complicating the hospital course and contributing to morbidity. Typical codes: A06.3, A06.89

    Related Codes

    A00-CHOLERA

    ICD-10-CM Code For Cholera: Group Overview

    A01-TYPHOID-AND-PARATYPHOID-FEVERS

    ICD-10-CM Code For Typhoid And Paratyphoid Fevers: Group Overview

    A02-OTHER-SALMONELLA-INFECTIONS

    ICD-10-CM Code For Other Salmonella Infections: Group Overview

    A03-SHIGELLOSIS

    ICD-10-CM Code For Shigellosis: Group Overview

    A04-OTHER-BACTERIAL-INTESTINAL-INFECTIONS

    ICD-10-CM Code For Other Bacterial Intestinal Infections: Group Overview

    A05-OTHER-BACTERIAL-FOODBORNE-INTOXICATIONS

    ICD-10-CM Code For Other Bacterial Foodborne Intoxications Not Elsewhere Classified: Group Overview

    A07-OTHER-PROTOZOAL-INTESTINAL-DISEASES

    ICD-10-CM Code For Other Protozoal Intestinal Diseases: Group Overview

    Coming soon

    A08-VIRAL-AND-OTHER-SPECIFIED-INTESTINAL-INFECTIONS

    ICD-10-CM Code For Viral And Other Specified Intestinal Infections: Group Overview

    A09-INFECTIOUS-GASTROENTERITIS-AND-COLITIS

    ICD-10-CM Code For Infectious Gastroenteritis And Colitis, Unspecified: 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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