The Chapel Hill Consensus Conference (CHCC) Criteria for Polyarteritis Nodosa Symptom

Unexplainable Weight Loss of More than 4 kg

Testicular Pain or Tenderness

Myalgias/Muscle Weakness

Mononeuropathy or Polyneuropathy

Elevated Levels of Serum Urea Nitrogen (>40 mg/dl or 14.3 mmol/l) or Creatinine (>1.5 mg/dl or 132 mmol/l)

Evidence of Hepatitis B Virus Infection by Serum Antibodies or Antigen Serology (Old Concept)

Characteristic Arteriographic Abnormalities Not Resulting from Non-Inflammatory Disease Processes

Small or Medium Artery Biopsy Containing Polymorphonuclear Cells

Recent Start Diastolic Blood Pressure over 90 mmHg

Livedo Reticularis