Neonatal Screening Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
false positive rate
The percentage of screening tests that incorrectly identify healthy newborns as having a condition they do not actually have.
punching pattern
The systematic arrangement of specimen punches from dried blood spot cards for testing.
quality assurance program
Comprehensive system of procedures and monitoring activities ensuring accuracy and reliability of screening operations.
recall rate
The percentage of screened newborns who require additional testing or follow-up based on initial screening results.
reference range
Statistically derived normal values used to interpret screening test results and determine abnormal findings.
RUSP
Recommended Uniform Screening Panel, the official list of conditions recommended for newborn screening in the United Sta...
SCAD
Short-chain acyl-CoA dehydrogenase deficiency, a fatty acid oxidation disorder of uncertain clinical significance.
SCID
Severe combined immunodeficiency, a group of genetic disorders causing absent or severely compromised immune function.
screening algorithm
The systematic decision-making process that determines screening results based on analyte values, ratios, and clinical c...
screening sensitivity
The probability that a newborn screening test correctly identifies infants who have the target disorder.
second-tier testing
Additional laboratory analysis performed on the original blood spot to reduce false positives before clinical follow-up.
specimen adequacy
The quality assessment of blood samples to determine if they meet standards for reliable analytical testing.
specimen rejection criteria
Standardized parameters used by laboratories to determine when dried blood spot specimens are unsuitable for screening a...
specimen transport media
Controlled environment systems used to maintain dried blood spot integrity during shipment to screening laboratories.
specimen transportation
Regulated process of moving collected blood spot specimens from collection sites to screening laboratories.
spinal muscular atrophy screening
Molecular genetic testing in newborns to detect deletions in the SMN1 gene causing progressive muscle weakness.
SPOT software
A data management system used for newborn screening laboratory information management.
tandem mass spectrometry
Laboratory technique using MS/MS technology to simultaneously screen for multiple metabolic disorders from a single bloo...
Tay-Sachs disease
A lysosomal storage disorder caused by hexosaminidase A deficiency, screened in some populations through enzyme activity...
thyroid-stimulating hormone
A pituitary hormone measured in newborn screening to detect congenital hypothyroidism.
time-resolved fluoroimmunoassay
Laboratory technique using delayed fluorescence measurement to detect specific analytes in newborn screening specimens.
TREC assay
A molecular test measuring T-cell receptor excision circles to screen for severe combined immunodeficiency.
TRECs
T-cell receptor excision circles, DNA byproducts measured in newborn screening to assess T-cell production and detect SC...
TSH surge
Physiological increase in thyroid-stimulating hormone levels that occurs in newborns during the first few days of life,...
unsatisfactory for age
Specimen rejection category indicating the blood sample was collected outside the optimal timing window for accurate scr...