Home
HelpTest Code LAB3871 CXCL9
Clinical System Name
CXCL9
Synonyms
Chemokine (C-X-C motif) ligand 9; CXCL-9; MIG; Monokine Induced by Gamma Interferon
Sample Requirements
Specimen: Whole Blood
Container(s): Lavender/EDTA
Preferred Vol: 3.0 mL
Minimum Vol: 1.0 mL
Notes: Sample must spun down within 2 hours. Aliquoted plasma must be frozen within 12 hours of collection. Send frozen aliquots to the Main Lab.
Processing Instructions
Reject due to: Whole blood sent frozen or refrigerated.
Spin: Y
Aliquot: Y
Temp: -20 C
Storage location: CPA freezer, Frz3 rack.
Off-site Collection: Spin and freeze plasma. Transport frozen.
Stability
| Specimen Type | Temperature | Time |
| Whole Blood | Room temp | <2 h |
| Refrigerated | Unacceptable | |
| separated EDTA Plasma | Frozen | 6 m |
| Room temp | <12 h |
Availability
Samples in lab by 0900 Wednesday will be resulted by 1800 Wednesday.
Contact Chemistry Department (206-987-2565, LabChemistry@seattlechildrens.org) before 1300 on other weekdays for possible STAT tests with overnight TAT.
| STAT | Performed | TAT |
| N | W | 7 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Phone: (206) 987-2565
CPT Codes
83520
Methodology
Method: EIA on DS2
Analytical Volume: 0.4 mL Plasma
Limitations:
Reference Range
Normal <121 pg/mL
Abnormal ≥ 121 pg/mL
This assay runs approximately 5-10 fold lower than assay previous sent-out to Cincinnati. Contact Chemistry Lab for any questions.