ASB - Overview: Arsenic, Blood

Detecting acute or very recent arsenic exposure Monitoring the effectiveness of therapy This test is not useful for evaluation of chronic arsenic exposure.

CURCU - Overview: Copper/Creatinine Ratio, Random, Urine

Investigation of Wilson disease and obstructive liver disease using a random urine specimen

FS - Overview: Fungal Smear, Varies

Detection of fungi in clinical specimens

LAMO - Overview: Lamotrigine, Serum

Monitoring serum concentration of lamotrigine Assessing compliance Adjusting lamotrigine dose in patients receiving other anticonvulsant drugs that interact pharmacokinetically with lamotrigine

MPHNU - Overview: Methylphenidate and Metabolite, Random, Urine

Monitoring urine methylphenidate and ritalinic acid concentrations to assess compliance in patients

MET - Overview: Methemoglobin and Sulfhemoglobin, Blood

Diagnosing methemoglobinemia and sulfhemoglobinemia Identifying cyanosis due to other causes, such as congenital heart disease

TAKRO - Overview: Tacrolimus, Blood

Monitoring whole blood tacrolimus concentration during therapy, particularly in individuals coadministered cytochrome P450 (CYP) 3A4 substrates, inhibitors, or inducers Adjusting dose to optimize immunosuppression while minimizing...

POSA - Overview: Posaconazole, Serum

Monitoring posaconazole therapy

FRT4 - Overview: T4 (Thyroxine), Free, Serum

Evaluating suspected thyroid function disorders using free thyroxine measured together with thyroid-stimulating hormone

VITA - Overview: Vitamin A, Serum

Diagnosing vitamin A deficiency and toxicity Monitoring vitamin A therapy