Inclusion Criteria:

• NAFLD and/or ALD patient defined by at least 1 of the following criteria:

  • Excessive alcohol consumption: higher than 210 g / week (men), or 140 g / week (women)
  • Type 2 diabetes
  • at least 2 metabolic factors among BMI higher than or equal to 25 kg / m 2; Elevated blood pressure (antihypertensive drug, or systolic blood pressure higher than or equal to 130mmHg, or diastolic blood pressure higher than or equal to 85mmHg), Dyslipidemia (lipid-lowering drug, or HDL cholesterol lower to 40mg/dl (men) / 50mg/dl (women), or triglycerides higher than or equal to150mg/dl); Hyperferritinemia (higher than upper limit of normal from the laboratory)
  • Bright liver at ultrasonography without steatosis-inducing drug(systemic corticosteroids, tamoxifen, amiodarone, methotrexate)

Following a protocol amendment, the 3 last investigating primary care centres will include NAFLD and/or ALD patients according to these updated criteria:

• Excessive alcohol consumption: >210 g/week in men or >140 g/week in women,

• AND/OR type 2 diabetes treated with insulin and/or at least two other anti-diabetic treatments,

• AND with the following stratification:

  40% with excessive alcohol consumption 40% with type 2 diabetes treated with insulin and/or at least two other anti-diabetic treatments 20% with both conditions (excessive alcohol consumption, AND type 2 diabetes treated with insulin and/or at least two other anti-diabetic treatments)

• Patient's agreement to have a blood sample collected in a local laboratory participating in the study

• Subjects covered by or having the rights to medical care assurance

• Written informed consent obtained from subject

Exclusion Criteria:

• Already ongoing specialized follow-up for a chronic liver disease
• Altered health status with poor short-term prognosis, not compatible with a screening procedure
• Decompensated cirrhosis (hepatic encephalopathy, jaundice, ascites, variceal bleeding, hepatorenal syndrome)
• Acute infection
• Pregnancy, breastfeeding
• Persons in detention by judicial or administrative decision
• Person admitted to a health or social establishment for purposes other than research
• Person subject to a legal protection measure
• Person unable to express consent