Alkaline phosphatase isoenzymes, CSF

Alphabetical Test listing

Alkaline phosphatase isoenzymes, CSF-994

  
Alkaline phosphatase isoenzymes, CSF
  
994
  
LAB994
  
MSO
  
ALK PHOS, CSF
  

Alkaline phosphatase may be increased in the CSF of patients with intracranial germ cell tumors. When increased, isoenzyme testing can identify if a heat-stable isoenzyme (ie, germ cell or placental) is present but cannot quantify the amount of activity.

  
Cerebrospinal fluid (CSF)
  

Sterile vial

  
2.0 mL
  
1.0 mL
  

Sterile vial

  

Frozen (preferred) – 1 year

Refrigerate – 1 week

Ambient – NO

  
ARUP (2005736) via LabCorp (009985): R-NX
  
Daily
  
3 - 4 days
  

Quantitative Heat Inactivation/Enzymatic

  

Total alkaline phosphatase: 0 - 1 U/L

  
84075
84080
  
07/27/2020
  
08/05/2020
  
08/05/2020