New Search

Laboratory Test Directory

Alkaline Phosphatase Isoenzymes, Serum or Plasma

Components

Name Method Department Units
Alkaline Phosphatase Fraction Heat Inactivation/Enzymatic
Send Out U/L

Battery Members

Total alkaline phosphatase, Bone, and Liver

Specimen Requirements

Plasma Spun, Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 2 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 2 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 2 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 2 mL
Alternate

Green tube (Lithium heparin), with Gel

3 mL 2 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 2 mL
Stability

Room temperature - 1 week(s)
Refrigerated - 1 week(s)
Frozen - 2 month(s)

Specimen Preparation

  • Centrifuge within 2 hours, separate supernatant and refrigerate

Reasons for Rejection

  • Wrong collection tube
  • Gross lipemia
  • Specimen collected in EDTA
  • Specimen collected in sodium fluoride
  • Specimen collected in potassium oxalate
  • Gross hemolysis

Comments

The presence of heat-stable isoenzymes (i.e., germ cell and placental) will be detected but their activities cannot be differentiated from the liver isoenzyme. 

CPT Code

  • 84075
  • 84080