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Test Code ALKP Alkaline Phosphatase, Total LAB112

Test Method

Enzyme Rate Method; Beckman DXC600

Specimen Requirement

0.5 mL lithium heparin plasma or serum is required.

Additional Specimen Collection Information

Collect blood in a lithium heparin, green-top or red-top tube.
PST and SST (gel tubes) are acceptable. Serum or plasma should be
separated from contact with the cells within 2 hours of collection.
Specimens not centrifuged within 4 hours of collection may be
rejected. Refrigerate the specimen if unable to assay within 8
hours of collection. Hemolyzed specimens are not acceptable.
Samples with >3+ lipemia must be cleared prior to analysis.

Reference Values

Adult:

Age Female Male
 0 – 14 days 77 – 237 IU/L 77 – 237 IU/L
15 days  -  < 1 yr 116 – 450 IU/L 116 – 450 IU/L
1 – < 10 yrs 135 – 320 IU/L 135 – 320 IU/L
10 – < 13 yrs 122 – 400 IU/L 122 – 400 IU/L
13 – < 15 yrs 52 – 243 IU/L 109 – 449 IU/L
15 – < 17 yrs 46 – 110 IU/L 77 – 317 IU/L
17 – < 19 yrs 41 – 82 IU/L 50 – 142 IU/L

> 19 yrs

30 – 107 IU/L 30 – 107 IU/L

 

 

 

Performance

Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 hours.

Expedite orders: Typically completed within 1 hour after the
specimen arrives at the testing site.

STAT orders: Typically completed within 30 minutes after
the specimen arrives at the testing site.

Useful For

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

LOINC Code Information

6768-6 Alkaline phosphatase [Enzymatic Activity/Volume] In
Serum Or Plasma

CPT Code Information

84075 Chemistry: Phosphatase, Alkaline