Generated Narrative: CodeSystem specimen-role

This case-sensitive code system http://hl7.org/fhir/specimen-role defines the following codes:

Code	Display	Definition
b	Blind Sample	Used to test the validity of the measurement process, where the composition of the sample is unknown except to the person submitting it.
c	Calibrator	Used for initial setting of calibration of the instrument.
e	Electronic QC	Used with manufactured reference providing signals that simulate QC results.
f	Filler Organization Proficiency	Specimen used for testing proficiency of the organization performing the testing (Filler).
o	Operator Proficiency	Specimen used for testing Operator Proficiency.
p	Patient	Used for any patient sample.
q	Control specimen	Used when specimen is the control specimen (either positive or negative).
r	Replicate (of patient sample as a control)	Used when a patient sample is re-run as a control for a repeat test.
v	Verifying Calibrator	Used for periodic calibration checks.