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Alkaline Phosphatase, Bone-specific

Item Value
Approval req'd? No
Available Stat? No
Test code BSAP
Performed by Quest
Sendout? Yes
Method Immunoenzymatic
Container type Red top or Gold top
Amount to Collect 2 mL blood
Sample type Serum
Preferred volume 1 mL serum
Min. Volume 0.3 mL serum
UCSF Rejection Criteria Hemolyzed, lipemic or grossly icteric samples. Plasma samples.
Processing notes Freeze serum at -20C. Order Quest # 29498
Ref Lab Rejection Criteria Received at room temperature
Units µg/L (mcg/L)
Normal range ≥ 18 year old males:
18-29 Years 8.4-29.3 µg/L
30-39 Years 7.7-21.3 µg/L
40-49 Years 7.0-18.3 µg/L
50-68 Years 7.6-14.9 µg/L

≥ 18 year old females:
18-29 Years 4.7-17.8 µg/L
30-39 Years 5.3-19.5 µg/L
40-49 Years 5.0-18.8 µg/L
50-76 Years 5.6-29.0 µg/L

Premenopausal (35-45 Years) 5.0-18.2 µg/L

2-24 Months 25.4-124.0 µg/L
6-9 Years 41.0-134.6 µg/L
10-13 Years 43.8-177.4 µg/L
14-17 Years 13.7-128.0 µg/L

2-24 Months 25.4-124.0 µg/L
6-9 Years 41.0-134.6 µg/L
10-13 Years 24.2-154.2 µg/L
14-17 Years 10.5-75.2 µg/L
Stability Room temperature 2 days, refrigerated 3 weeks, frozen at -20C 3 months
Turn around times Test performed Tuesday and Thursday. Turnaround time: 3-8 days.
Additional information Pediatric data are taken from Intl J Biol Markers, 1956:11:159 and J Clin Endocrinol Metab, 1999
CPT coding 84075-90
LOINC code 17838-4
Last Updated 3/31/2011 8:36:53 AM
Entry Number 1023
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