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22905 Nifedipine (3158SP)

Nifedipine (3158SP)
Test Code: MISC
Synonyms/Keywords
Adalat® Procardia® ​
Useful For
​Therapeutic Drug Monitoring
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​Serum Red Top Tube (RTT) ​ ​ 3 mL​ 1mL​ ​
​Plasma ​Lithium-heparin Green Top Tube or Sodium-heparin Green Top Tube (GTT)

​EDTA lavendar top tube (LTT) or

Sodium Fluoride Gray top Tube (GTT)

 

 ​3 mL ​1 mL ​
Collection Processing Instructions
​Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines. Protect serum or plasma from light (wrap tube in aluminum foil).
Specimen Stability Information
Specimen Type Temperature Time
Serum/Plasma​ Room Temperature​ 14 days​
​ Refrigerated​ 14 days​
​ Frozen (-20 °C)​ 14 days​
Rejection Criteria
Samples not received Light Protected
Polymer gel separation tube (SST or PST)​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
National Medical Services (NMS)​
 Wednesday​  2 days ​ High Performance Liquid Chromatography (HPLC) ​
Reference Lab
National Medical Services (NMS)
Reference Range Information
25-100 ng/mL
Toxic: >200 ng/mL
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82491​
 ​ ​ ​ ​
Synonyms/Keywords
Adalat® Procardia® ​
Ordering Applications
Ordering Application Description
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​Serum Red Top Tube (RTT) ​ ​ 3 mL​ 1mL​ ​
​Plasma ​Lithium-heparin Green Top Tube or Sodium-heparin Green Top Tube (GTT)

​EDTA lavendar top tube (LTT) or

Sodium Fluoride Gray top Tube (GTT)

 

 ​3 mL ​1 mL ​
Collection Processing
​Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines. Protect serum or plasma from light (wrap tube in aluminum foil).
Specimen Stability Information
Specimen Type Temperature Time
Serum/Plasma​ Room Temperature​ 14 days​
​ Refrigerated​ 14 days​
​ Frozen (-20 °C)​ 14 days​
Rejection Criteria
Samples not received Light Protected
Polymer gel separation tube (SST or PST)​
Useful For
​Therapeutic Drug Monitoring
Reference Range Information
25-100 ng/mL
Toxic: >200 ng/mL
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
National Medical Services (NMS)​
 Wednesday​  2 days ​ High Performance Liquid Chromatography (HPLC) ​
Reference Lab
National Medical Services (NMS)
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82491​
 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.