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Alkaline Phosphatase (ALP) Blood Test

* This is not a home test kit. You will need to visit a local lab for testing.

Also Known As

ALP Blood Test, ALP Isoenzyme Test, ALP Fractionation Test, ALK Phos Blood Test

What Is the Purpose of the ALP Blood Test

Alkaline phosphatase is an enzyme produced by the liver and bones. A blood test for alkaline phosphatase can show if levels are elevated. This can be a symptom of several health issues affecting the liver, parathyroid gland, bones, or muscles. A blood test for ALP may be one of the tools used to diagnose conditions such as leukemia, vitamin D or calcium deficiency, and bone cancers.

Alkaline Phosphatase (234)
Alkaline Phosphatase (001107)

What Does a Blood Test for Alkaline Phosphatase Measure?

An ALP lab test will show the levels of this enzyme in your blood.

Who Should Take an ALP Lab Test?

Your physician may recommend an ALP blood test to help diagnose or assess:

  • Paget’s disease
  • Chronic liver diseases
  • Vitamin D deficiency
  • Calcium deficiency
  • Bone cancers
  • Rickets

You may be tested if you have symptoms of liver disease or bone problems. Liver disease symptoms include:

  • Fatigue
  • Appetite loss
  • Nausea or vomiting
  • Jaundice
  • Swelling
  • Itchiness
  • Irregular urine and stool changes

Bone symptoms may include:

  • Pain
  • Fractures
  • Arthritis
  • Irregularities in bone shape or size

ALP Blood Test Preparation

No special preparation is necessary for the alk phos blood test.

Alk Phos Blood Test Results

Normal test levels range from 44 to 147 international units per liter, or IU/l. Results above that range could point to a health concern. You may need to undergo further testing to determine a diagnosis. This can include:

If you need help understanding your results and the next steps you should take, we’re here to help. Schedule a telehealth appointment with one of our board-certified physicians to discuss your blood test for alkaline phosphatase. These appointments can be done from the privacy of your home or office.

Where Can I Get an Alkaline Phosphatase Blood Test Near Me?

Need a blood test for ALP? Personalabs makes it simple and convenient to get the health tests you need:

Step 1: Order the test online and download the lab order. (A doctor’s pre-approval isn’t required, depending on the state where you live.)

Step 2: Visit our lab locator to find the facility nearest you among our 4,000-plus partner labs across America. This gives you convenience and the ability to schedule an appointment that works with your schedule.

Step 3: Bring the blood work order to the lab and have your blood drawn.

Step 4: Accurate results will appear in your secure and confidential Personalabs account, typically within 2 to 10 business days. Turnaround times vary by lab, so if you need results in a certain timeframe, contact us and we will reach out to the lab on your behalf.

We put control of your health in your hands. Shop our comprehensive selection of health tests today.

Additional information


LabCorp, Quest

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Results can be provided in as little as 24-48 hrs. For more complex tests, please contact us for turn around times.


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