Alkaline Phosphatase
Label Mnemonic: | ALP |
Epic code: | LAB112 |
Order form: | Laboratory Requisition |
Supply order: | Supply Order Form |
Billing: | Billing Policies |
CPT code: | 84075 |
Specimen(s):
Plasma
Collection Medium:
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Plasma Separator Tube 4.5 mL |
Alternate Collection Media:
Call laboratory for additional acceptable specimen collection
containers.
Minimum:
3 mL whole blood in light green top tube or ONE Microtainer®
for pediatric patients.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around Time:
1 hour (upon receipt in laboratory)
Reference Range:
AGE MALES FEMALES 0 - 14 days 83-248 U/L 83-248 U/L 15 days - 12 months 122-469 U/L 122-469 U/L 1 - 9 years 142-335 U/L 142-335 U/L 10 - 12 years 129-417 U/L 129-417 U/L 13 - 14 years 116-468 U/L 57-254 U/L 15 - 16 years 82-331 U/L 50-117 U/L 17 - 18 years 55-149 U/L 45-87 U/L 19+ years [unchanged] 40-129 U/L 35-104 U/L
Comments:
Pediatric reference ranges updated 5/23/2017 (see reference below).
Test Limitations:
Criterion: Recovery within plus or minus 10% of initial values. Icterus: No significant interference up to an I Index of 60 for conjugated bilirubin corresponding to approximately 60 mg/dL conjugated and unconjugated bilirubin. Hemolysis: No significant interference up to an H index of 500 (approximate hemoglobin concentration: 500 mg/dL). Lipemia (Intralipid): No significant interference up to an L index of 2000. There is poor correlation between turbidity and triglycerides concentration. Reference Estey MP, Cohen AH, Colantonio DA, et al. CLSI-based transference of the CALIPER database of pediatric reference intervals from Abbott to Beckman, Ortho, Roche and Siemens Clinical Chemistry Assays: Direct validation using reference samples from the CALIPER cohort. Clin Biochem 2013;46:1197-1219.
Methodology:
Colorimetric
Sample Processing:
Centrifuge at a speed and time necessary to get barrier separation
of plasma/serum and cells within 1 hour of collection. Send specimen
in original tube. Do Not transfer to another tube.
Each sample must be labeled with at least TWO full patient identifiers (First/Last Name & DOB are sufficient for non-UIHC affiliated clients) to avoid sample rejection/delays.
Each sample must be labeled with at least TWO full patient identifiers (First/Last Name & DOB are sufficient for non-UIHC affiliated clients) to avoid sample rejection/delays.
Sample Storage:
Refrigerate.
All sample storage requirements are intended for delivery to UIHC within 24 hours of collection for testing. If samples won't arrive in this time period, please call the UIHC Core Lab for alternative storage/shipping instructions (319-356-3527).
All sample storage requirements are intended for delivery to UIHC within 24 hours of collection for testing. If samples won't arrive in this time period, please call the UIHC Core Lab for alternative storage/shipping instructions (319-356-3527).
Transport Instructions:
Place labeled specimen into zip-lock type biohazard bag; seal
bag.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.
Place completed requisition into outside pocket of bag.
Transport in cooler with refrigerated coolant packs.