Immunophenotyping T Cells B Cells NK Cells
Ordering Info & Methodology
Test Code
Cerner Synonyms
TBNK
T Subsets, T and B Lymphocytes, Immunodeficiency Panel, CD3, CD19, CD 56, CD4, CD8, CD4/CD8 Ratio, NK, Natural Cell, Flow cytometry
Turn Around Time
Methodology
Flow Cytometry
Ordering Guide
Specimen Requirements
Sample Type
Collection Container
Alternate Collection Containers
Whole Blood
Green
Yellow ACD, Lavender
Add on stability
This is the length of time after sample collection that this analyte is stable. Test can be added to a previously collected sample if the time since collection is less than the add on stability time.
Minimum Volume
Add On Stability
Collection and Shipping Requirements
Ship at room temperature
Reference Intervals
Female Reference Interval
Age Category | Reference Interval | units |
|---|---|---|
Male Reference Interval
Age Category | Reference Interval | units |
|---|---|---|
Additional Notes
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Measurement Uncertainty (MU)
Every laboratory value is an estimate of the true concentration of substance. MU is the 95% confidence interval around that estimate. 95% of the time, the true concentration will be within the range of the reported value ±MU. This value is based on analytical variability (precision) and does not reflect other factors such as sample collection and handling which may also affect the result.
Example
Reported sodium = 140 mmol/L
Sodium MU = 1%
Expanded uncertainty = 140 mmol/L ± 1% or 140mmol/L ± 1.4 mmol/L
Interpretation - the true value of sodium in the sample is in the range 138.6-141.4 mmol/L, with 95% confidence.
Measurement Uncertainty
Both a green top (LiHep) tube AND a lavender (EDTA) tube are required. CBCD must also be ordered. A yellow ACD A tube is also acceptable in place of a green tube.