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Bone Specific Alkaline Phosphatase
0070053
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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.
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
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
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.
Compliance Category
FDA
Note
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
84080
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0070053 | Bone Specific Alkaline Phosphatase | 17838-4 |
* 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
Bone Specific Alkaline Phosphatase
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