Alkaline Phosphatase Isoenzymes


Sunquest Code:ALKI  
Epic Code:LAB741Epic Name:Alkaline Phosphatase Isoenzymes
Order Instructions:Order both ALKI and ALKP. Make separate aliquots for each. If the ALKP <200 U/L, cancel ALKI with the comment "Too low to fractionate".
Synonyms:Alkaline Phosphatase, Heat Stable; Fractionated Alkaline Phosphatase; Alkaline Phosphatase, Total and Fractionated
Methodology:Heat inactivation; enzymatic
CPT Code:84080
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-3 days.
Special Instructions:Sent to the reference laboratory only if the total alkaline phosphatase is greater than 200 U/L.


Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:2.2 mL
Container:Red or gold (gel) (Green (lithium heparin, gel), Green (sodium heparin, no gel), Red (no gel))
Patient Preparation:Fasting sample recommended.
Causes for Rejection:Specimens collected in EDTA, sodium fluoride, sodium citrate, or potassium oxalate. Grossly hemolyzed or lipemic specimens.


Processing and Shipping

Specimen Processing:Centrifuge ASAP and aliquot 2 mL, 1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:21020


Interpretive

Reference Range:

Components

Male, U/L

Female, U/L

Alkaline Phosphatase Serum or Plasma

0-30 days: 60-320

1-11 mos: 70-350

1-3 y: 125-320

4-6 y: 150-370

7-9 y: 150-440

10-11 y: 150-470

12-13 y:160-500

14-15 y: 130-530

16-19 y: 60-270

20 y and older: 40-120

0-30 days: 60-320

1-11 mos: 70-350

1-3 y: 125-320

4-6 y: 150-370

7-9 y: 150-440

10-11 y: 150-530

12-13 y: 110-525

14-15 y: 55-305

16-19 y: 40-120

20 y and older: 40-120

Bone

1-6 y: 0-208

7-9 y: 0-264

10-15 y: 0-340

16-19 y: 0-165

20 y and older: 0-55

1-6 y: 0-189

7-9 y: 0-246

10-13 y: 0-340

14-15 y: 0-91

16 y and older: 0-55

Liver

1-6 y: 0-145

7-11 y: 0-182

12-15 y: 0-226

16-19 y: 0-114

20 y and older: 0-94

1-9 y: 0-148

10-15 y: 0-162

16 y and older: 0-94

 

 



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