IFN gamma R alpha
Test Code
IFNGR
Description
Collect
Draw one green top tube (Sodium or Lithium Heparin) top tube.
Specimen Preparation
Do not centrifuge! Keep at room temp (18-22°C).
Preferred volume: 10 mL
Pediatric Collection
Minimum volume: 6 mL blood
Unacceptable Conditions
Frozen, clotted, hemolyzed or centrifuged specimens. Anticoagulants other than heparin. Specimens >24 hrs old.
Storage Transport Temp
Maintain and transport specimens at room temperature (18-22°C).
Ship specimens Priority Overnight via Fed Ex in container sufficiently insulated to avoid temperature extremes (<10°C and >37°C).
Stability
24 hours at room temperature (18-22°C)
Notes
Samples must arrive within 24 hours of draw and are accepted Monday through Thursday.
Performed
Tue-Fri
Methodology
Flow Cytometry
Reported
2-4 days
Department
Immunology Lab - Phenotyping AssaysSynonyms
CD119 (IFN gamma R alpha);Flow Cytometry (IFN gamma R alpha)
Related Tests
Reference Interval
Index value > 2.1
Interpretation
Mutations of the interferon gamma receptor can lead to increased susceptibility to infections with intracellular organisms such as mycobacteria and salmonella. Analysis of the interferon gamma receptor expression on peripheral blood cells assists in the immunological evaluation of patients with chronic or disseminated mycobacterial or salmonella infections.
CPT Code
88184