Displaying 8 Tests
48635
Serum

Useful for determining Vitamin B3 deficiency and in the diagnosis of pellegra.

Serum

Red (1)



Plasma

EDTA (2)


Must spin and pour-off sample within 2 hours of collection. PLASMA has additional requirements, must PFL and pour-off within 30 minutes. Draw SERUM whenever possible. (Pour off using Amber Vial)

REFRIGERATE (7 Days)

8 Days

Liquid Chromatography/Tandem Mass Spectrometry

84591

Niacin, B3, nicotinamide, Nicotinic Acid, Nicotinuric Acid

Useful for monitoring tobacco use.

Serum

Red (1)



Plasma

EDTA (1)



REFRIGERATE (14 Days)

4 Days

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

80323, G0480

Cotinine, Tobacco Alkaloids

Monitoring tobacco use and patients on nicotine-replacement therapy for concurrent use of tobacco products.

Urine

Sterile Container (1)



None

None



REFRIGERATE (14 Days)

5 Days

Liquid Chromatography/Tandem Mass Spectrometry

80323

Anabasine, Cotinine, Nornicotine, Tobacco Alkaloids

Useful for the diagnosis of gastrointestinal disease (diarrhea or vomiting) caused by norovirus genogroups 1 and 2.

Stool

Sterile Container (1)



None

None



REFRIGERATE (14 Days)

3 Days

RT-PCR

87798 x2

Norwalk Virus
48530
Serum

Useful for monitoring serum concentration during therapy and evaluating potential toxicity. Also useful for evaluating patient compliance.

Serum

Red (1)



None

None


Draw immediately before next scheduled dose or a minimum of 12 hours after last does. Pour off within 2 hours of collection.

REFRIGERATE (28 Days)

5 Days

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

80335, G0480

Aventyl, Nortriptyline, Pamelor, Sensoval, Aventyl, Norpress, Allegron, Nortrilen, TCA, Tricyclic Antidepressants

Detection of an active infection of the novel coronavirus or SARS-CoV-2 that gives rise to COVID-19 disease.

Swab

Swab (1)

Covid Collect


None

Aptima Multitest, Viral Transport Media (VTM), or eSwab



REFRIGERATE (48 Hours), FREEZE (30 Days)

3 Days

Real-Time RT-PCR

87635

COVID-19, SARS-CoV-2, Novel Coronavirus
48609
Serum

Useful for monitoring effectiveness of antiresorptive therapy in patients treated for osteoporosis or other metabolic bone disorders and as an adjunct in the diagnosis of medical conditions associated with increased bone turnover.

Serum

SST (1)



None

None


CRITICAL FROZEN. For monitoring therapy, baseline samples should be collected just prior to therapy initiation. Samples for comparison, should be collected at approximately the same time of day as the baseline.

FREEZE (2 Months) CRITICAL

11 Days

Enzyme Immunoassay

82523

Collagen Crosslinks, Crosslinked N-telopeptide of Type I Collagen (NTX), NTX, Osteomark, Osteoporosis, N-terminal Telopeptide
48035
Urine

Useful as an adjunct in the diagnosis of medical conditions associated with increased bone turnover, and for monitoring effectiveness of antiresorptive therapy in patients treated for osteopenia, osteoporosis, Paget disease, or other metabolic bone disorders.

Urine

Sterile Container (1)



None

None


Do not take biotin (B7) for 24 hours prior to collection. Collect second morning void.

FREEZE (30 Days)

6 Days

Chemiluminescence Immunoassay, Enzymatic Colorimetric Assay

82570, 82523

Collagen Crosslinks, Crosslinked N-telopeptide of Type I Collagen (NTX), NTX, Osteomark, Osteoporosis, N-terminal Telopeptide, NTX-Telopeptide