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Bone Specific Alkaline Phosphatase
0070053
Ordering Recommendation
Mnemonic
BSAP
Methodology
Quantitative Chemiluminescent Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum separator tube. Also acceptable: Green (sodium or lithium heparin).  
Specimen Preparation
Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)  
Storage/Transport Temperature
Frozen  
Unacceptable Conditions
Urine. Grossly hemolyzed specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 2 hours; Refrigerated: 48 hours; Frozen: 2 months  
Reference Interval
Effective November 14, 2011
Age
Male
Female
6 months-2 years31.6- 122.6 µg/L33.4- 145.3 µg/L
3-6 years31.3-103.4 µg/L32.9-108.6 µg/L
7-9 years48.6-140.4 µg/L36.3-159.4 µg/L
10-12 years48.8-155.5 µg/L44.2-163.3 µg/L
13-15 years27.8-210.9 µg/L14.8-136.2 µg/L
16-17 years15.3-126.8 µg/L10.5-44.8 µg/L
18-24 years10.0- 28.8 µg/L
25 years and older6.5-20.1 µg/L
Premenopausal Female 4.5-16.9 µg/L
Postmenopausal Female 7.0-22.4 µg/L

Interpretive Data
Liver alkaline phosphatase can affect the measurement of bone specific alkaline phosphatase in this assay. Each 100 U/L of liver alkaline phosphatase contributes an additional 2.5 to 5.8 µg/L to the bone specific alkaline phosphatase result.


Note
CPT Code(s)
84080
Components
Component Test Code*Component Chart NameLOINC
0070053Bone Specific Alkaline Phosphatase17838-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Alkaline Phosphatase
  • Alkaline Phosphatase, Bone
  • BAP
  • Ostase
  • Phosphatase
  • Skeletal Alkaline Phosphatase