Do not use alcohol to clean the collection site, as it can interfere with result.
Collect
Collect a Green PST Lithium Heparin Container with gel and allow blood to fill to the fill line.
Preferred Container
Green PST - Lithium Heparin Container with gel
Preferred Collection Volume
2.0mL whole blood
Pediatric Collection
Green microtainer (bullets) with minimum 0.6mL whole blood in each bullet
Onsite Collection Instructions
Separate immediately from the cells and analyze promptly or store at room temperature for up to 24 hours or at 2-8 °C for up to 3 days.
Offsite Collection Instructions
Separate immediately from the cells, transport at room temperature within 24 hours or store at 2-8 °C for up to 3 days.
Turn Around Time
2 Hours
Performing Lab
Chemistry
Reference Interval
<5 mg/dl
Positive result between 5-24 mg/dl, sample sent to reference lab for concentration confirmation.
Result between 25-600 will be sent to reference lab for confirmation due to interfering substance (if the reaction curve shows interferring).
Collection
Patient Preparation
Do not use alcohol to clean the collection site, as it can interfere with result.
Collect
Collect a Green PST Lithium Heparin Container with gel and allow blood to fill to the fill line.
Preferred Container
Green PST - Lithium Heparin Container with gel
Preferred Collection Volume
2.0mL whole blood
Pediatric Collection
Green microtainer (bullets) with minimum 0.6mL whole blood in each bullet
Onsite Collection Instructions
Separate immediately from the cells and analyze promptly or store at room temperature for up to 24 hours or at 2-8 °C for up to 3 days.
Offsite Collection Instructions
Separate immediately from the cells, transport at room temperature within 24 hours or store at 2-8 °C for up to 3 days.
Ordering
Turn Around Time
2 Hours
Performing Lab
Chemistry
Result Interpretation
Reference Interval
<5 mg/dl
Positive result between 5-24 mg/dl, sample sent to reference lab for concentration confirmation.
Result between 25-600 will be sent to reference lab for confirmation due to interfering substance (if the reaction curve shows interferring).
