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Al Enaiah Medical Laboratory

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  1. Home
  2. ›Laboratory Tests
  3. ›Guthrie Test (PKU) - Heel Prick

Source-backed patient guide

Guthrie Test (PKU) - Heel Prick

This newborn screening record relates to measurement of phenylalanine from a heel-prick blood spot for phenylketonuria screening.

Hematology

Sample information from the laboratory

These operational details come from the laboratory catalogue. Confirm current availability and preparation with the laboratory before collection.

Sample type
Whole Blood
Specimen container
Guthrie card only
Turnaround time
10 Days

Patient education

About this test

This newborn screening record relates to measurement of phenylalanine from a heel-prick blood spot for phenylketonuria screening.

Why might this test be requested?

Screening helps identify newborns who may need confirmatory assessment. A screening result is not a final diagnosis.

General preparation

Preparation varies by test and clinical context. Follow the laboratory instructions, disclose medicines and supplements, and do not change medicines unless a qualified professional tells you to.

Related health information

Newborn screeningMetabolic health

Trusted Medical Sources

These independent resources support the general patient education on this page. External links open outside the laboratory website.

MedlinePlus, U.S. National Library of MedicinePhenylketonuria (PKU) ScreeningOpens an external medical resource in a new tab.MedlinePlus, U.S. National Library of MedicineHow to Prepare for a Lab TestOpens an external medical resource in a new tab.
This education is general and does not diagnose a condition, recommend a test for an individual, interpret a result, or replace care from a qualified healthcare professional.

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Laboratory results should always be interpreted by a qualified healthcare professional within the context of the patient’s medical history and clinical condition.
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WhatsApp
WhatsApp 1 — Mobile+971 56 466 8605WhatsApp 2 — Mobile+971 54 247 2477WhatsApp 3 — Landline+971 6 556 6086