| Test Name: |
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Alkaline Phosphatase
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| Test Code(s): |
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ALKP
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| CPT Code(s): |
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84075
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| Test Description: |
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Included In: Comprehensive Metabolic Panel
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| Methodology: |
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p-Nitrophenylphosphate
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| Request Form: |
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UWHC Laboratory Request Form (UWH 1289220, 4004202); Write in test if not on form.
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: 1 hour.
Routine: 4 hours.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: Green cap with yellow ring (PST)
Also Acceptable:
Green top,
Red cap with yellow ring (SST),
Red top
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| Collection Volume: |
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Preferred: 4 mL
Pediatrics: 0.4 mL
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| Sample Analyzed: |
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Plasma or serum
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| Volume Required: |
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Preferred: 1 mL
Pediatrics: 0.2 mL
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| Specimen Processing: |
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Centrifuge. If a complete barrier has not formed, transfer cell-free plasma/serum to plastic vial. Refrigerate.
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.
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| Stability: |
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Ambient: 24 hours
Refrigerated: 4 days
Frozen: 7 days at -20°C
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Interpretation
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Reference Interval:
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Female
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Male
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| Age(years) |
U/L |
Age(years) |
U/L |
| 0-10 |
75-375 |
0-9 |
75-375 |
| 11 |
150-425 |
10 |
150-350 |
| 12 |
150-375 |
11-13 |
150-450 |
| 13 |
50-325 |
14 |
150-400 |
| 14 |
50-250 |
15-16 |
50-300 |
| 15 |
50-175 |
17 |
50-225 |
| 16-17 |
50-150 |
18 |
50-175 |
| 18 and up |
35-130 |
19 and up |
35-130 |
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