What Is ALP in a Blood Test?
ALP is found in liver, bile ducts, bones, and placenta.
Normal Range
- 44–147 U/L
High ALP (Liver)
- Bile duct obstruction
- Cholestatic disease
- Cirrhosis
High ALP (Bone)
- Paget’s disease
- Bone cancer
- Normal growth
Distinguishing Source
- Check GGT: high GGT = liver source; normal GGT = bone source
Source: American Association for Clinical Chemistry, NLM MedlinePlus.
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