Prolactin, Active Monomeric Prolactin Test

Prolactin, Active Monomeric Prolactin Test

Category
Hormones
Sample
Blood sample taken from a vein in your arm
Reports () Terms & Conditions Report time varies with time of sample collection.
In 6 days
Fasting
No Fasting
Age
10-60 Years

What Is This Test?

Measures the active (monomeric) form of prolactin after removing 'macroprolactin', a large, inactive form.

Why this test is performed?

Helps find out whether a high prolactin result is real or due to macroprolactin, which usually needs no treatment — avoiding unnecessary scans and medicines.

Who should take this test?

Symptoms suggesting hormonal imbalance — weight change, fatigue, BP changes, growth problems — usually as advised by a doctor.

Test Preparation

No fasting needed.

Medical disclaimer · for information only, not medical advice

This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.

In a medical emergency, call 112, or 108 for an ambulance where that service operates, or go to your nearest emergency department. If you are in mental health distress, Tele-MANAS is free and available 24×7 on 14416.

Read our Editorial Policy and Medical Review Process.

Frequently asked questions

A harmless condition where most prolactin is bound in a large, inactive form that can falsely raise test results.

No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.

Blood sample taken from a vein in your arm.

Usually within 4–5 days after the sample reaches the lab. You will receive the report online.

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