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
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 years 31.6-​ 122.6  µg/L 33.4-​ 145.3 µg/L
3-​6 years 31.3-​103.4 µg/L 32.9-​108.6 µg/L
7-​9 years 48.6-​140.4 µg/L 36.3-​159.4 µg/L
10-​12 years 48.8-​155.5 µg/L 44.2-​163.3 µg/L
13-​15 years 27.8-​210.9 µg/L 14.8-​136.2 µg/L
16-​17 years 15.3-​126.8 µg/L 10.5-​44.8 µg/L
18-​24 years 10.0-​ 28.8 µg/L  
25 years and older 6.5-​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