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Getting the heel prick screen

The heel prick screen checks your baby for 9 rare but serious conditions.

When your baby is due to have the heel prick screen, your midwife or public health nurse (PHN) will give you information about the screening test.

After you've read the information, you'll be asked to sign your baby's 'newborn screening card'.

By signing this, you confirm that:

  • you got information about the heel prick screen
  • the information about your baby is correct
  • you consent to having your baby screened

Newborn bloodspot screening card

The midwife or PHN will use a newborn bloodspot screening card.

The card has 3 parts:

  • a sample area - for collecting your baby's blood
  • an information sheet - to record your baby's details and your consent to screening
  • a copy of the information sheet - for you to keep as a record

What happens during the heel prick screen

Your midwife or PHN does the heel prick screen in hospital or at your home. They usually do the heel prick 3 to 5 days after your baby is born.

They will take a few drops of blood from your baby's heel using a special device called a lancet. They then collect the blood onto the newborn bloodspot screening card.

You can help your baby by:

  • making sure they are warm and comfortable
  • keeping their feet nice and warm - put 2 pairs of socks on them during the hour before the test
  • being ready to feed or cuddle your baby

What happens to your baby's heel prick bloodspot sample

The midwife or PHN sends the heel prick bloodspot sample to the National Newborn Bloodspot Screening Laboratory.

The lab will check your baby’s bloodspot sample. They will then keep the sample securely for at least 10 years. After that it will be disposed of.

Other uses of the bloodspot sample

Your baby’s heel prick bloodspot sample may also be used:

  • to check their screening result
  • for other tests that your doctor recommends for your baby

If other tests are needed, your doctor will ask for your consent.

Testing for new conditions

We may also use your baby's heel prick bloodspot sample to help add new conditions to the screening programme.

When a new condition is added to the screening programme, the laboratory needs to test heel prick bloodspot samples. This is to make sure that the new screening test works well for the population of Ireland.

The samples are anonymised. This means that names are removed and the sample cannot be traced back to an individual child.

Samples are never used for commercial purposes.

Use of data

Data from the Irish bloodspot screening programme may also be used for:

  • national and international quality assurance
  • related screening programme research

This information is anonymised.

If you do not want heel prick screening for your baby

We recommend having your baby screened for these 9 rare but serious conditions. Screening for these conditions and catching them early means your baby can start treatment as soon as possible.

But you can choose not to have your baby screened. You'll need to tell your midwife or PHN when they offer you screening.

They will ask you to sign an 'opt-out' form. The form says you understand the risks of not having your baby screened.

Benefits of heel prick screening

If you change your mind

If you change your mind and decide to have your baby screened, contact your local PHN or GP. They can arrange screening for your baby up until they are 12 months old.

Repeat heel prick screens

Sometimes, the midwife or PHN will contact you to do a second heel prick screen. This may happen if there was not enough blood on the first screening card or if the results are not clear.

Getting your baby's heel prick results

Page last reviewed: 21 May 2025
Next review due: 21 May 2028