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Laboratory Test Directory

Pseudocholinesterase, Dibucaine Inhibition

Components

Name Method Department Units
Pseudocholinesterase, Dibucaine Inhibition Quantitative Enzymatic
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Specimen Requirements

Plasma Spun

Container Type Container Size Specimen Volume
Alternate

Purple tube (EDTA)

4 4 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 3 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Stability

Refrigerated - 1 week(s)
Frozen - 3 month(s)
Room temperature - 4 hour(s)

Specimen Preparation

  • Centrifuge, remove plasma/serum and freeze

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 1 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), with Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 1 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 1 mL
Alternate

Purple tube (EDTA)

3 mL 1 mL
Stability

Refrigerated - 1 week(s)
Frozen - 3 month(s)
Room temperature - 4 hour(s)

Specimen Preparation

  • Allow to clot completely at room temperature
  • Centrifuge within 2 hours, separate supernatant and refrigerate

Reasons for Rejection

  • Specimen drawn during surgery, in recovery room or within 2 days post surgery
  • Wrong collection tube
  • Not centrifuged within time frame

Comments

Specimen must be drawn prior to surgery or more than two days following surgery. Do not draw in recovery room. 

CPT Code

  • 82638
  • 82480