BHSF - Overview: Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid

Aiding in the diagnosis of brain metastases of testicular cancer or extragonadal intracerebral germ cell tumors

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.

CTFNA - Overview: Cytology Fine-Needle Aspiration, Varies

Detection of malignancy Detection of certain inflammatory conditions

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

CAVPC - Overview: California Virus (La Crosse) Encephalitis Antibody Panel, IgG and IgM, Spinal Fluid

Aiding in the diagnosis of California (La Crosse) encephalitis using spinal fluid specimens

PIK3B - Overview: Cell-Free DNA PIK3CA Test, Blood

Identification of hormone receptor positive and human epidermal growth factor receptor 2 negative (HR+/HER2-) advanced breast cancer tumors that may be eligible for treatment with targeted kinase inhibitor therapy (eg, alpelisib).

C5FX - Overview: C5 Complement, Functional, Serum

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

CLZ - Overview: Clozapine, Serum

Monitoring patient compliance of clozapine treatment An aid to achieving desired serum levels

COM - Overview: Complement, Total, Serum

Detection of individuals with an ongoing immune process First-tier screening test for congenital complement deficiencies

CBBRP - Overview: Coxiella burnetii (Q fever), Molecular Detection, PCR, Blood

Aiding in the diagnosis of Coxiella burnetii infection (eg, Q fever)