Intermediate
Technical
IVT
dried blood spot
Blood sample collected on filter paper for newborn screening analysis.
Full Definition
A small blood sample collected from a newborn's heel and placed on specially designed filter paper for laboratory testing. This method allows for stable storage and transport of blood samples while preserving analytes for screening multiple genetic and metabolic conditions. The standardized collection process is critical for accurate screening results.
Usage
Usage note: Always use lowercase except when referring to the specific acronym DBS.
In Context
- "The dried blood spot must be collected within 24-48 hours of birth for optimal screening results." — clinical protocol
- "Laboratory technicians analyzed the dried blood spot for elevated phenylalanine levels." — test report
Also known as
DBS
blood spot card
Guthrie card
Don't confuse with
wet blood sample
serum sample