Glossary
Lab terms, explained.
Plain-language definitions of the lab, interface and privacy terms small lab teams come across every day.
A
Abnormal flag
A marker such as H or L that shows a result falls above or below the reference range.
ASTM LIS2-A2
A standard for how clinical analyzers and lab software exchange orders and results.
B
BAA (business associate agreement)
A contract HIPAA requires between a covered entity and a vendor that handles its protected health information.
C
CLIA
The US federal rules that set quality standards for labs testing human specimens for health care.
Critical value
A result so far outside the expected range that it may signal an urgent risk and must be reported to a clinician right away.
H
HIPAA
The US law that sets national rules for protecting the privacy and security of health information.
HL7
A family of standards for exchanging health information between systems, and the organization that publishes them.
L
LIS (laboratory information system)
Software that manages a clinical lab's orders, specimens, results and reports.
P
Patient portal
A secure website or app where patients can view their health information, such as lab results.
PHI (protected health information)
Health information that can identify a person and is held or shared by a HIPAA covered entity or its business associate.
PIPEDA
Canada's federal privacy law for how private-sector organizations collect, use and share personal information.
R
Reference range
The span of test values expected in a healthy reference population, used to judge whether a result is typical.
Requisition (lab order)
The request, on paper or electronic, that tells a lab which tests to perform for a patient.
S
Specimen ID (accession number)
A unique number given to a specimen or order so it can be tracked and matched to the right patient.
T
Turnaround time
The time it takes a lab to deliver a result, measured between two agreed points such as collection and report.
U
UK GDPR
The UK's main data protection law, which sets rules for handling personal data, including health data.
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