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Test Code Billings Clinic: 4023 Alkaline Phosphatase, Plasma or Serum

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

Diagnosis and monitoring treatment of liver, bone, intestinal, and parathyroid diseases

Methodology

p-Nitrophenyl Phosphate (PNPP)/AMP (2-Amino-2-Methyl-1-Propanol) / Calibrated/37°C/Bichromatic Rate

Specimen Requirements

Submit only 1 of the following specimens:

Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.

 

Plasma

  • Draw blood in a green-top (lithium heparin) tube(s).
  • Spin down and send 1.0 mL of heparinized plasma frozen.

 

Serum

  • Draw blood in a plain, red-top tube(s) or a serum gel tube(s).
  • Spin down and send 1.0 mL of serum frozen

Storage/Stability

Specimen Type Temperature Time
Serum, Plasma Refrigerated 7 days
  Frozen (preferred) 6 months
  Ambient 8 hours

 

Reject Due To

  • Specimens at room temperature greater than 8 hours
  • Avoid repeated freezing and thawing

Reference Values

Males
0 - 2 years:  150 - 420 IU/L
2 - 10 years:  100 - 320  IU/L

10 - 17 years:  100 - 390 IU/L

> 17 years:  45 - 117 IU/L


Females
0 - 2 years:  150 - 420 IU/L
2 - 10 years:  100 - 320  IU/L

10 - 17 years:  100 - 320 IU/L

> 17 years:  45 - 117 IU/L

 

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

84075 - Phosphatase, alkaline

LOINC Code Information

Reporting Name LOINC Code
Alkaline phosphatase 6768-6