Alkaline Phosphatase Isoenzymes
Order Name
ALK P ISOS
Test Number: 5004110
Revision Date 06/01/2026
Test Number: 5004110
Revision Date 06/01/2026
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Alkaline Phosphatase Isoenzymes
|
Electrophoresis | 24332-9 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1.6 mL (0.8 mL ) | Serum | Clot Activator (SST or Red No-Gel) | Refrigerated |
| Alternate 1 | 1.6 mL (0.8 mL ) | Plasma | Lithium Heparin PST (Light Green Top) | Refrigerated |
| Instructions | Notes: 1.6mL (Minimum 0.8mL Note: This volume Does NOT allow for repeat testing.) Specimen Type: Red-top tube or gel-barrier tube or plasma from Lithium-heparin tube Specimen Storage: Refrigerate at 2°C to 8°C as soon as possible after collection. Specimen Collection: Serum: Separate serum from cells as soon as possible after the blood is allowed to clot. Plasma: Centrifuge and transfer separated heparin plasma to a plastic transport tube and label as Li-heparin plasma. Special Instructions: State patient's age and sex on the request form. NOTE: This panel reports the isoenzyme fractions in units of measure of IU/L ("international units per liter"). Cause for Rejection: Patient not fasting; citrate, oxalate, or EDTA anticoagulated plasma Specimen Stability: Ambient: 7 days, Refrigerated : 7 days, Frozen: 3 months |
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| GENERAL INFORMATION | ||||||||||||||||||||||||||||
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| Expected TAT | 3 - 5 days | |||||||||||||||||||||||||||
| Performing Labcorp Test Code | 001637 | |||||||||||||||||||||||||||
| Notes |
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| CPT Code(s) | 84075, 84080 | |||||||||||||||||||||||||||
| Lab Section | Reference Lab | |||||||||||||||||||||||||||