Monitors tacrolimus levels for effective immunosuppressive therapy in transplant patients.

Determines digoxin levels to ensure safe and effective dosing in heart failure management.

Measures lambda light chain levels to assess for plasma cell disorders.

Detects anti-centromere antibodies, associated with limited scleroderma and other connective tissue disorders.

Evaluates antithrombin III levels to assess coagulation and bleeding risk.

Quantifies copper excretion in a 24-hour urine collection to evaluate copper metabolism.

Measures copper levels in a random urine sample for a rapid assessment of copper status.

Assesses free cortisol over 24 hours to evaluate adrenal function and stress response.

Measures inhibin B levels to assess ovarian reserve and spermatogenesis.

Detects acetylcholine receptor antibodies to support the diagnosis of myasthenia gravis.