TIWB - Overview: Titanium, Blood

Detecting and monitoring titanium exposure and potential implant status in patients with orthopedic implants

RURC1 - Overview: Uric Acid/Creatinine Ratio, Random, Urine

Differentiation of acute uric acid nephropathy from other causes of acute kidney failure For patients who cannot collect a 24-hour specimen, typically small children, a uric acid to creatinine ratio can be used to approximate 24-hour...

OXU - Overview: Oxalate, 24 Hour, Urine

Monitoring therapy for kidney stones using 24-hour urine collections Identifying increased urinary oxalate as a risk factor for stone formation Diagnosis of primary or secondary hyperoxaluria

COU - Overview: Cobalt, 24 Hour, Urine

Detecting cobalt exposure Monitoring metallic prosthetic implant wear This test is not useful to assess vitamin B12 activity.

PRCAL - Overview: Procalcitonin, Serum

Monitoring antibiotic therapy and all-cause mortality for patients diagnosed with severe sepsis or septic shock in the Intensive Care Unit (ICU) or when obtained in the emergency department or other medical wards prior to ICU admission

HVAR - Overview: Homovanillic Acid, Random, Urine

Screening children for catecholamine-secreting tumors using a random urine collection when requesting homovanillic acid only Monitoring neuroblastoma treatment Screening patients with possible inborn errors of catecholamine metabolism

C2 - Overview: C2 Complement, Functional, with Reflex, Serum

Investigation of a patient with a low (absent) hemolytic complement, with reflex testing to C3 and C4, if appropriate

COBRU - Overview: Cobalt/Creatinine Ratio, Random, Urine

Detecting cobalt exposure in a random urine collection Monitoring metallic prosthetic implant wear This test is not useful for assessment of vitamin B12 activity.

ALLOI - Overview: Allo-isoleucine, Blood Spot

Evaluation of newborn screening specimens that test positive for branched-chain amino acids elevations Follow-up of patients with maple syrup urine disease

BRAFD - Overview: BRAF V600E/V600K Somatic Mutation Analysis, Tumor

Therapy selection for patients with cancer (eg, melanomas that may respond to BRAF inhibitors, colon cancers that may not respond to EGFR inhibitors) Aiding in the diagnosis/prognosis of certain cancers (eg, hairy cell leukemia, papillary...