LACO - Overview: Lacosamide, Serum

Monitoring serum concentrations of lacosamide to ensure compliance and appropriate dosing in specific clinical conditions (ie, severe kidney impairment, mild-to-moderate hepatic impairment, and kidney failure)

MAGES - Overview: Myelin-Associated Glycoprotein Autoantibodies, IgM, Serum

Evaluating peripheral neuropathy Evaluating paraproteinemic neuropathy

FFMSS - Overview: Maternal Serum Screening, Integrated, Specimen #1, PAPP-A, NT

First-trimester screening test for trisomy 21 (Down syndrome), trisomy 18, and open neural tube defects

MTXSG - Overview: Methotrexate Post Glucarpidase, Serum

Monitoring methotrexate concentrations post-glucarpidase therapy Documenting failure to respond that may be due to noncompliance Guiding dosage adjustments in patients with kidney failure

SORBU - Overview: Sorbitol and Mannitol, Quantitative, Random, Urine

Monitoring effectiveness of treatment in patients with phosphomannomutase 2 deficiency (PMM2-CDG) Establishing a baseline level prior to initiating treatment for PMM2-CDG This test is not useful for diagnosing congenital disorders of...

TPIC - Overview: Triosephosphate Isomerase Enzyme Activity, Blood

Evaluating individuals with chronic nonspherocytic hemolytic anemia Evaluating individuals with early onset neurologic impairment Genetic counseling for families with triosephosphate isomerase deficiency

URCU - Overview: Uric Acid, 24 Hour, Urine

Assessment and management of patients with kidney stones, particularly uric acid stones

RNAUR - Overview: Sodium, Random, Urine

Assessing acid-base balance, water balance, water intoxication, and dehydration

TRMP - Overview: Trimipramine, Serum

Monitoring trimipramine concentration during therapy Evaluating potential trimipramine toxicity May aid in evaluating patient compliance

HSTNI - Overview: Troponin I, High Sensitivity, Plasma

Excluding the diagnosis of acute coronary syndromes Explaining troponin T elevations related to skeletal myopathy and/or assay interferences

TLB - Overview: Thallium, Blood

Detecting toxic exposure in whole blood specimens

AATHI - Overview: Thrombophilia Profile Interpretation

Interpretation of testing performed as part of a profile to evaluate patients with thrombosis or hypercoagulability states including detecting a lupus-like anticoagulant; dysfibrinogenemia; disseminated intravascular...

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...

TBGI - Overview: Thyroxine-Binding Globulin (TBG), Serum

Cases in which total thyroid hormone levels do not correlate with the thyrometabolic status, most commonly with pregnancy or the use of contraceptive steroids

T46CS - Overview: Tripartite Motif-Containing Protein 46 (TRIM46) IgG, Cell Binding Assay, Serum

Detecting tripartite motif-containing protein 46 (TRIM46)-IgG by cell-binding assay using serum specimens Evaluation of an autoimmune/paraneoplastic neurological syndrome among patients presenting with cerebellar ataxia, encephalitis, or...

TOPI - Overview: Topiramate, Serum

Monitoring serum concentrations of topiramate Assessing compliance Assessing potential toxicity

TRIGC - Overview: Triglycerides, CDC, Serum

Measurement of triglycerides as part of lipoprotein profiling

URAU - Overview: Urea, 24 Hour, Urine

Assessment of protein intake and/or nitrogen balance

SDLDL - Overview: Small Dense Low Density Lipoprotein Cholesterol, Serum

Aiding in risk management of lipoprotein disorders associated with cardiovascular disease when used in conjunction with other lipid measurements and clinical evaluation

NAS - Overview: Sodium, Serum

Assessing acid-base balance, water balance, water intoxication, and dehydration

THEO - Overview: Theophylline, Serum

Assessing and adjusting theophylline dosage for optimal therapeutic level Assessing theophylline toxicity

MSTC - Overview: Strict Criteria Sperm Morphology for Infertility Diagnosis and Treatment, Semen

Diagnosing male infertility Selecting the most cost-effective therapy for treating male-factor infertility Quantifying the number of germinal and white blood cells per mL of semen

TOBRA - Overview: Tobramycin, Random, Serum

Monitoring adequacy of serum concentration during tobramycin therapy This unit code is used whenever a specimen is submitted or collected without collection timing information. The phlebotomist should use this unit code if she or he does...

TRYPU - Overview: Tryptophan, Random, Urine

Aiding in the screening and monitoring of Hartnup disease

SPNC - Overview: Streptococcus pneumoniae Antigen, Spinal Fluid

Rapid diagnosis of pneumococcal meningitis

SP7TS - Overview: Septin-7 Antibody, Tissue Immunofluorescence Titer, Serum

Detecting septin-7 IgG in serum specimens Reporting an end titer result from serum specimens

THSD7 - Overview: Thrombospondin Type-1 Domain-Containing 7A Antibodies, Serum

Distinguishing primary from secondary membranous nephropathy cases with antibodies against THSD7A

CHAGI - Overview: Trypanosoma cruzi, Technical Interpretation

Diagnosis of chronic Trypanosoma cruzi infection (Chagas disease)

VORI - Overview: Voriconazole, Serum

Monitoring trough levels of voriconazole suggested for: -Individuals with reduced liver function -Individuals with cytochrome P450 (CYP) 2C19 alterations associated with poor metabolic function -Patients taking other medications that affect...

VDSFT - Overview: VDRL Titer, Spinal Fluid

Aid in the diagnosis of neuroinvasive syphilis as part of a profile

VANRA - Overview: Vancomycin, Random, Serum

Monitoring adequacy of drug concentration during vancomycin therapy whenever a specimen is submitted or collected without collection timing information

VANTA - Overview: Vancomycin, Trough, Serum

Preferred test for monitoring vancomycin therapy Monitoring trough concentrations drawn at steady-state in selected patients receiving vancomycin therapy

VANPA - Overview: Vancomycin, Peak, Serum

Monitoring peak levels in selected patients receiving vancomycin therapy

VALPF - Overview: Valproic Acid, Free, Serum

Monitoring free valproic acid in therapy Assessing compliance Evaluating potential toxicity

VIP - Overview: Vasoactive Intestinal Polypeptide, Plasma

Detecting vasoactive intestinal polypeptide-producing tumors in patients with chronic diarrheal diseases

21OH - Overview: 21-Hydroxylase Antibodies, Serum

Investigating adrenal insufficiency Aiding in the detection of those at risk of developing autoimmune adrenal failure in the future

FLUC - Overview: 5-Flucytosine, Serum

Monitoring serum concentration during therapy Evaluating potential toxicity May aid in evaluating patient compliance

VITB2 - Overview: Riboflavin (Vitamin B2), Plasma

Evaluation of individuals who present the signs of ariboflavinosis

VLTU - Overview: Volatile Screen, Random, Urine

Detecting the presence of acetone, methanol, isopropanol, or ethanol in urine with subsequent quantitation

PENTS - Overview: Pentobarbital, Serum

Monitoring of pentobarbital therapy treatment

F_12 - Overview: Coagulation Factor XII Activity Assay, Plasma

Diagnosing deficiency of coagulation factor XII Determining cause of prolonged activated partial thromboplastin time

COKEU - Overview: Cocaine and Metabolite Confirmation, Random, Urine

Detecting and confirming drug abuse involving cocaine This test is not intended for employment-related testing.

BARBU - Overview: Barbiturates Confirmation, Random, Urine

Detecting drug abuse involving barbiturates such as amobarbital, butalbital, pentobarbital, phenobarbital, and secobarbital

MPHNU - Overview: Methylphenidate and Metabolite, Random, Urine

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

ALC - Overview: Ethanol, Blood

Detection of ethanol (ethyl alcohol) in blood to document prior consumption or administration of ethanol Quantification of the concentration of ethanol in blood correlates directly with degree of intoxication This test is not intended for...

OXYCU - Overview: Oxycodone with Metabolite Confirmation, Random, Urine

Detection and quantification of oxycodone, oxymorphone, noroxycodone, and noroxymorphone in urine

TRAM - Overview: Tramadol and Metabolite, Random, Urine

Monitoring of compliance utilizing tramadol Detection and confirmation of the illicit use of tramadol This test is not intended for use in employment-related testing.

NAACD - Overview: N-Acetylaspartic Acid, Canavan Disease, Random, Urine

Diagnosis and monitoring of individuals with Canavan disease Follow-up quantitation of abnormal organic acid elevations of N-acetylaspartic acid

CRE2 - Overview: Creatinine, Urine

Normalization of urinary analytes to account for the variation in urinary concentrations between individuals when using random urine collections

CRUO - Overview: Chromium Occupational Exposure, Random, Urine

Screening for occupational exposure