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This is a single-marker test measuring complement C4a.

This is a single-marker test measuring total protein. Serum total protein levels aid in the diagnosis of metabolic and nutritional disorders.

This is a single-marker test measuring serotonin. It is useful for the diagnosis of carcinoid syndrome.

This is a single-marker test measuring the presence of antibodies against insulin in the blood. It is particularly useful in patients who have not yet been treated with insulin but present with symptoms suggestive of diabetes or have a family history of the condition. This test aids in differentiating between type 1 diabetes mellitus (autoimmune), type 2 diabetes mellitus, and atypical forms like latent autoimmune diabetes in adults (LADA). It is also valuable in assessing the risk of future type 1 diabetes and in diagnosing rare autoimmune hypoglycemic syndromes.

This is a screening test to determine the presence of sickling hemoglobins.

This test measures testosterone and SHBG. It is used to assess hirsutism and masculinization in women and testicular function in males.

This is a single-marker test detecting IgG antibodies to Toxoplasma gondii. A positive result indicates that the patient has a current or past T. gondii infection.

This is a single-marker test measuring glutamic acid decarboxylase-65 (GAD-65) antibodies.

This is a single-marker test measuring angiotensin-converting enzyme (ACE).

This test evaluates the activity of antithrombin in the blood. It is used to help diagnose antithrombin deficiencies and to monitor the effectiveness of anticoagulant therapy in patients with clotting disorders.