Purpose
Therapeutic Drug Monitoring
Method(s)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
80375
New York State Approval Status

Approved

Turnaround Time

8 days

Test Includes
1 Sildenafil Viagra® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 1 Erectile Dysfunction
2 N-Desmethylsildenafil Sildenafil Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 1 Antihypertensive

Specimen Type
Blood
Requested Volume
1 mL
Minimum Volume
0.4 mL
Special Handling
None
Specimen Container
Lavender top tube (EDTA)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
None

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 7 day(s)
Refrigerated: 14 day(s)
Frozen (-20 °C): 30 day(s)
1 Sildenafil Viagra® High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 1 Erectile Dysfunction
2 N-Desmethylsildenafil Sildenafil Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 1 Antihypertensive

Interface Map

LOINC® Information