Test Code ALPI Alkaline Phosphatase Isoenzymes, Serum
Specimen Required
Only orderable as part of a profile. For more information see ALKP / Alkaline Phosphatase, Total and Isoenzymes, Serum.
Patient Preparation: Patient must fast for 8 hours.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Within 2 hours of collection, centrifuge the specimen.
2. For red top tubes, immediately aliquot into a plastic vial.
3. For serum gel tubes, serum may sit on gel refrigerated but must be aliquoted within 7 days.
Specimen Type
SerumSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Frozen (preferred) | 14 days |
Ambient | 7 days | |
Refrigerated | 7 days |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | OK |
Gross icterus | Reject |
Reference Values
Only orderable as part of a profile. For more information see ALKP / Alkaline Phosphatase, Total and Isoenzymes, Serum.
Ages:
≤17 years: Reference values have not been established for patients younger than 18 years.
≥18 years:
Liver %: 30.2-74.7
Liver U/L: 15.8-71.9
Bone %: 23.8-68.3
Bone U/L: 12.0-56.7
Intestine %: ≤22.5
Intestine U/L: ≤12.6
Day(s) Performed
Tuesday through Saturday
Report Available
3 to 5 daysSpecimen Retention Time
7 daysPerforming Laboratory

CPT Code Information
84080