F_10 - Overview: Coagulation Factor X Activity Assay, Plasma

Diagnosing deficiency of coagulation factor X, congenital or acquired Evaluating hemostatic function in liver disease Investigation of prolonged prothrombin time or activated partial thromboplastin time

C9FX - Overview: C9 Complement, Functional, Serum

Diagnosis of C9 deficiency Investigation of a patient with a low total (hemolytic) complement level

C7FX - Overview: C7 Complement, Functional, Serum

Diagnosis of C7 deficiency Investigation of a patient with an undetectable total complement level

CA25 - Overview: Cancer Antigen 125 (CA 125), Serum

Evaluating individuals' response to ovarian cancer therapy Predicting recurrent ovarian cancer This test is not useful for cancer detection screening in the normal population.

CA19 - Overview: Carbohydrate Antigen 19-9 (CA 19-9), Serum

As a potential adjunct for diagnosis and monitoring of pancreatic cancer Potentially differentiating patients with cholangiocarcinoma and primary sclerosing cholangitis (PSC) from those with PSC alone

C1ES - Overview: C1 Esterase Inhibitor Antigen, Serum

Diagnosis of hereditary angioedema Monitoring levels of C1 esterase inhibitor in response to therapy

CD200 - Overview: CD200 (OX2) Immunostain, Technical Component Only

Identifying the presence of CD200 (OX2) protein within chronic lymphocytic leukemia, small lymphocytic lymphoma, hairy cell leukemia, and primary mediastinal large B-cell lymphoma

CDPCR - Overview: Clostridioides difficile Toxin, PCR, Feces

Sensitive, specific, and rapid diagnosis of Clostridioides (Clostridium) difficile-associated diarrhea and pseudomembranous colitis The test is not recommended as a test of cure.

Q10 - Overview: Coenzyme Q10, Reduced and Total, Plasma

Diagnosis of primary coenzyme Q10 (CoQ10) deficiencies in some patients who are not supplemented with CoQ10 Diagnosis of CoQ10 deficiency in mitochondrial disorders Monitoring CoQ10 status during treatment of various degenerative...

F8A - Overview: Coagulation Factor VIII Activity Assay, Plasma

Diagnosing hemophilia A Diagnosing von Willebrand disease when measured with the von Willebrand factor (VWF) antigen and VWF activity Diagnosing acquired deficiency states Investigation of prolonged activated partial thromboplastin...