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Thyroid Stimulating Hormone (Dried Blood Spot)

Alias: TSH

Discipline: Clinical Chemistry

Test information: Dried blood spot TSH is used for the monitoring of Downs Syndrome patients, and patients (children and adults) with other disabilities that may make taking a blood sample for thyroid testing particularly difficult. Please note that TSH testing done as part of the newborn screening service is provided by the regional screening laboratories, with the guthrie cards sent directly to them.

Specimen Type(s)
  • Dried blood spot;
Other Acceptable Specimen Type(s)
Specimen Container - Adult
  • Guthrie Card;
Specimen Container - Paediatric
  • Guthrie Card;
  • N/A;
Part of a test profile?
Volume (min) of sample to be sent to laboratory
Patient Preparation, Sample Handling and Transport
Guthrie cards are available from Community midwives, the RCH Neonatal unit and from Clinical Chemistry. Please write "TSH DBS" on the Guthrie card.
Maximum add on time
No add ons.
Units and Reference Ranges / Interpretation
See the report. NOTE: TSH only will be reported as fT4 cannot be measured on a dried blood spot.
UKAS number
UKAS accredited test?

If you have any queries about a test or results interpretation please contact us.

Last updated: 07-06-2024