BETA2 - Overview: Beta-2 Transferrin: Detection of Spinal Fluid in Other Body Fluid

Detection of spinal fluid in body fluids, such as ear or nasal fluid

C3FX - Overview: C3 Complement, Functional, Serum

Diagnosis of C3 deficiency Investigation of a patient with undetectable total complement level

C5DCU - Overview: C5-DC Acylcarnitine, Quantitative, Random, Urine

Evaluation of patients with an abnormal newborn screen showing elevations of glutarylcarnitine Diagnosis of glutaric aciduria type 1 deficiency

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

C1ES - Overview: C1 Esterase Inhibitor Antigen, Serum

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

C8FX - Overview: C8 Complement, Functional, Serum

Diagnosis of C8 deficiency Investigation of a patient with an undetectable total hemolytic complement level

CONCS - Overview: Contactin-1 IgG Cell Binding Assay, Serum

Evaluating for chronic inflammatory demyelinating polyradiculoneuropathy and related demyelinating peripheral neuropathies Determining contactin-1 IgG results as a part of a profile

CRS - Overview: Chromium, Serum

Screening for occupational exposure Monitoring metallic prosthetic implant wear

C5FX - Overview: C5 Complement, Functional, Serum

Diagnosis of C5 deficiency Investigation of a patient with an undetectable total complement level