Guthrie card
Pronunciation: GUTH-ree
A filter paper card used to collect and store dried blood spots for newborn screening laboratory analysis.
Full Definition
A specialized filter paper card named after Dr. Robert Guthrie, who pioneered newborn screening for phenylketonuria. The Guthrie card contains multiple circles where blood drops from a heel stick are applied and allowed to dry. These cards are designed to preserve blood samples during transport to screening laboratories and can be stored for extended periods. The standardized format ensures consistent sample quality across different collection sites.
Usage
Usage note: Capitalize 'Guthrie' as it is named after Dr. Robert Guthrie. Often used interchangeably with 'filter paper card' but Guthrie card is the more specific term.
In Context
- "Ensure the Guthrie card is completely filled within the printed circles for accurate screening results." — Laboratory collection protocol
- "The Guthrie card must be air-dried horizontally before packaging for transport to the screening laboratory." — Clinical procedure manual