Quest Test

Alkaline Phosphatase Blood Test

Quick Overview

Measures the level of alkaline phosphatase in the blood.

Test #234


Availability: In stock

Also Known As ALK, ALP, Phosphatase, Alkaline
Preparation No special preparation required.
Test Results 1-2 days. May take longer based on weather, holiday or lab delays.

Alkaline Phosphatase (ALP) is an enzyme found in your bloodstream. This enzyme helps break down proteins in your body and depending on where it originates, it exists in different forms. Your liver is the primary source of Alkaline Phosphatase but is also produced in your bones, intestines, pancreas, and kidneys. 

The Alkaline Phosphatase test can help to identify the following conditions:

  • blockage of bile ducts
  • cholecystitis
  • hepatitis
  • cirrhosis 

The Alkaline Phosphatase test can assist in diagnosing the following bone problems:

  • osteomalacia
  • rickets
  • Paget’s disease

This testing may also be useful in giving answers to the presence of cancer tumors, unusual bone growth, or vitamin D deficiency. 

Higher levels of Alkaline Phosphatase in your bloodstream could also give an indication of problems with your liver or gallbladder. These problems could include:

  • blockage of bile ducts
  • hepatitis
  • cirrhosis
  • liver cancer
  • gallstones

High levels may be an indicator of an overactive parathyroid gland, rickets, Paget's, disease, or bone cancer.

Low levels of Alkaline Phosphatase in your bloodstream is rare but can be an indicator of malnutrition, which could be caused by a deficiency in certain vitamins and minerals or celiac disease.

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