Guidance

Laboratory guide to screening for CHT in the UK

Guidelines for laboratories screening newborns for congenital hypothyroidism (CHT) in the UK.

• From: NHS England
• Published: 1 February 2014
• Last updated: 8 October 2024
  Show all updates

  1. 8 October 2024

     Added clarification that publication was previously published by Public Health England. Removed screening helpdesk information.

  2. 20 October 2020

     Updated the laboratory guide including the screening protocol: removed dated clinical referral guidelines and the requirement to complete ‘affected not detected forms’. Converted content from PDF to HTML to improve accessibility.

  3. 29 March 2018

     Added addendum to guidance valid from 2 April 2018.

  4. 1 February 2014

     First published.

Documents

Laboratory guide to screening for CHT in the UK

HTML

Details

This handbook is for laboratories that provide an NHS newborn blood spot screening service for CHT in the UK. It provides information and guidelines to support screening laboratories, including:

• the CHT screening protocol
• details of the revised thyroid stimulating hormone (TSH) cut-off value introduced in April 2018
• the CHT preterm repeat policy
• laboratory quality assessment procedures
• the process for communicating results
• programme standards and data collection

This publication was previously published by Public Health England, which closed on 30 September 2021.