ICD Code B18.2

ICD code B18.2 is used to identify chronic viral hepatitis C, a long-term infection caused by the hepatitis C virus that affects the liver and can lead to serious liver damage over time.

1. Positive Hepatitis C Virus (HCV) Antibody Test: The patient must have a confirmed positive result for the HCV antibody, indicating exposure to the virus.

2. Detectable HCV RNA: A follow-up test should show detectable levels of HCV RNA in the blood, confirming active infection.

3. Duration of Infection: The infection must be chronic, typically defined as lasting longer than six months. This is often determined by the persistence of HCV RNA over this period.

4. Liver Function Tests: Abnormal liver function tests, such as elevated alanine aminotransferase (ALT) levels, may support the diagnosis of chronic infection.

5. Liver Biopsy or Imaging: Evidence of liver damage or fibrosis from a liver biopsy or imaging studies, such as ultrasound or elastography, can further substantiate the chronic nature of the infection.

6. Exclusion of Acute Hepatitis: The diagnosis should exclude acute hepatitis C, which is characterized by recent infection and different clinical management.

7. Clinical Symptoms: While many patients may be asymptomatic, symptoms such as fatigue, jaundice, or abdominal pain may be present and should be considered in the diagnostic process.

8. Medical History: A thorough medical history should be reviewed to identify risk factors for chronic hepatitis C, such as a history of intravenous drug use, blood transfusions before 1992, or other potential exposures to the virus.

9. Consultation with a Specialist: In some cases, consultation with a hepatologist or infectious disease specialist may be necessary to confirm the diagnosis and guide treatment decisions.

For the ICD code B18.2, which pertains to chronic viral hepatitis C, the relevant CPT codes that may be applicable for treatment and management include:

1. CPT 99201-99215: Evaluation and Management (E/M) services for new or established patients, which may include office or other outpatient visits.

2. CPT 80076: Hepatic function panel, which is often used to assess liver function in patients with chronic hepatitis C.

3. CPT 87522: Infectious agent detection by nucleic acid (DNA or RNA); hepatitis C, quantification, which is used for the detection and quantification of hepatitis C virus RNA.

4. CPT 36415: Collection of venous blood by venipuncture, which is commonly performed for laboratory testing.

5. CPT 96365-96368: Intravenous infusion for therapy, prophylaxis, or diagnosis, which may be used for administering antiviral medications.

6. CPT 99241-99245: Consultation services provided in an office or other outpatient setting, which may be necessary for specialized care.

7. CPT 99401-99404: Preventive medicine counseling and/or risk factor reduction intervention(s) provided to individuals, which may be relevant for lifestyle counseling in managing chronic hepatitis C.

These CPT codes are commonly associated with the management and treatment of chronic viral hepatitis C, as indicated by the ICD code B18.2. It's important for healthcare providers to select the appropriate CPT codes based on the specific services rendered to ensure accurate billing and reimbursement.

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