# text.div
This 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.

# description
Codes providing the combined status of the specimen.

# concept[].definition
Used to test the validity of the measurement process, where the composition of the sample is unknown except to the person submitting it.

# concept[].definition
Used for initial setting of calibration of the instrument.

# concept[].definition
Used with manufactured reference providing signals that simulate QC results.

# concept[].definition
Specimen used for testing proficiency of the organization performing the testing (Filler).

# concept[].definition
Specimen used for testing Operator Proficiency.

# concept[].definition
Used when specimen is the control specimen (either positive or negative).

# concept[].display
Replicate (of patient sample as a control)

# concept[].definition
Used when a patient sample is re-run as a control for a repeat test.