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25682 Alkaline Phosphatase, Total and Isoenzymes, Serum (ALKI)

Alkaline Phosphatase, Total and Isoenzymes, Serum (ALKI)
Test Code: ALKISO
Test Components

​Alkaline Phosphatase

​Alkaline Phosphatase Isoenzymes

Useful For
Diagnosis and treatment of liver, bone, intestinal, and parathyroid diseases
 
Determining the tissue source of increased alkaline phosphatase (ALP) activity in serum
 
Differentiating between liver and bone sources of elevated ALP
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Serum Separator Tube (SST) ​Red Top Tube (RTT) ​1 mL (divided into 2 tubes) ​0.5 mL (divided into 2 tubes)
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​ ​Frozen (preferred) ​14 days
​Refrigerate ​7 days
​Ambient ​7 days
Rejection Criteria
Gross hemolysis
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Medical Laboratories ​Monday through Friday ​4 days ​MS (unpublished Mayo method)
Reference Lab
Reference Range Information
Performing Location Reference Range
Mayo Medical Laboratories ​Varies with age.  See Report.
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​84080 ​1 ​​Isoenzymes
​84075 ​1 ​Alkaline Phosphatase
Test Components

​Alkaline Phosphatase

​Alkaline Phosphatase Isoenzymes

Ordering Applications
Ordering Application Description
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Serum Separator Tube (SST) ​Red Top Tube (RTT) ​1 mL (divided into 2 tubes) ​0.5 mL (divided into 2 tubes)
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​ ​Frozen (preferred) ​14 days
​Refrigerate ​7 days
​Ambient ​7 days
Rejection Criteria
Gross hemolysis
Useful For
Diagnosis and treatment of liver, bone, intestinal, and parathyroid diseases
 
Determining the tissue source of increased alkaline phosphatase (ALP) activity in serum
 
Differentiating between liver and bone sources of elevated ALP
Test Components

​Alkaline Phosphatase

​Alkaline Phosphatase Isoenzymes

Reference Range Information
Performing Location Reference Range
Mayo Medical Laboratories ​Varies with age.  See Report.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Medical Laboratories ​Monday through Friday ​4 days ​MS (unpublished Mayo method)
Reference Lab
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​84080 ​1 ​​Isoenzymes
​84075 ​1 ​Alkaline Phosphatase
For most current information refer to the Marshfield Laboratory online reference manual.