6/30/23, 10:04 PM Complement C3, decreased Pathway Feedback Search Clinical Topics Home Findings Complement C3, decreased Complement C3, decreased More common causes Burn injury Less common causes Disseminated intravascular coagulation Rheumatoid arthritis Protein losing enteropathy Systemic lupus erythematosus Paroxysmal nocturnal hemoglobinuria Invasive meningococcal disease Infective endocarditis Lupus nephritis Partial lipodystrophy Complement factor H deficiency Post-streptococcal glomerulonephritis Uncommon causes Primary autoimmune hemolytic anemia Hereditary C3 deficiency Hereditary C3b inhibitor deficiency https://web.pathway.md/findings/recFX7M01Y102mKLi 1/1