HCQ - Overview: Hydroxychloroquine, Serum

Monitoring serum hydroxychloroquine concentrations, assessing compliance, and adjusting dosage in patients

HE4 - Overview: Human Epididymis Protein 4, Serum

Aiding in monitoring patients with treated epithelial ovarian cancer for recurrence or progression This test should not be used as a screening test for ovarian cancer.

KRTAE - Overview: Keratin (AE1/AE3) Immunostain, Technical Component Only

Identification of cells expressing a broad spectrum of cytokeratins (low and high molecular weight keratins)

HRPV8 - Overview: Human Herpes Virus, Type 8 (HHV-8) Immunostain, Technical Component Only

Identification of human herpes virus type 8 infection

HPYL - Overview: Helicobacter pylori (H pylori) Immunostain, Technical Component Only

Aiding in the identification of Helicobacter pylori infection

MMAS - Overview: Methylmalonic Acid, Quantitative, Serum

Evaluating children with signs and symptoms of methylmalonic acidemia using serum specimens Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency

MMAP - Overview: Methylmalonic Acid, Quantitative, Plasma

Evaluating children with signs and symptoms of methylmalonic acidemia using plasma specimens Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency

OROT - Overview: Orotic Acid, Random, Urine

Evaluation of the differential diagnosis of hyperammonemia and hereditary orotic aciduria Sensitive indicator of ornithine transcarbamylase (OTC) activity after administration of allopurinol or a protein load to identify OTC carriers

PTRIP - Overview: Prostate Triple (P63/KRT/P504S), Technical Component Only

Aiding in the identification of high-grade prostatic intraepithelial neoplasia and prostate cancer

PTEN - Overview: Phosphatase and Tensin Homolog (PTEN) Immunostain, Technical Component Only

Diagnosis of intraductal prostate carcinoma