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HelpTest Code See ordering notes Methemoglobin
Additional Codes:
METHGB
Notes:
If not analyzed within 30 minutes of draw time, specimen must be tightly capped and transported on ice. If delayed transport, store refrigerated up to 48 hours and transport on ice.
Collection:
Preferred Container:
Heparinized Syringe: All Inpatients or on site collections (UMC, SJCH, ART, and KSMP)
LT Green – LiHEP (No Gel): All Outpatients and LMC only
Alternate container(s):
UMC Main Lab ONLY - OFF CAMPUS AND OUTPATIENTS: Green topped tube (Dark Green Li Hep, no gel)
All Labs - OUTPATIENTS ONLY: Green topped tube (Light Green Li Hep w/gel)
Collection Volume: Heparinized Syringe - 0.4 mL; Green topped tube must be filled to indicated line
Special instructions: If not analyzed within 30 minutes of draw time, specimen must be tightly capped and transported on ice. If delayed transport, store refrigerated up to 4 hours and transport on ice.
If collected off-site and sending to Charleston campus (UMC), contact Lab Client Services to schedule before collection.
Stability:
Do not store. Send specimen to lab immediately.
Ambient: 30 Minutes
Refrigerated (preferred): 48 Hours
Turnaround Time (TAT):
STAT: 10 MINUTES
Routine: 4 HOURS
Test Availability:
24 hrs a day / 7 Days a week
Performing Laboratory Section:
ART and Shawn Jenkins Hospital: send to ART OR Lab, 4th floor, Tube Station #55.
Main Hospital campus: send to Central Lab Receiving - EH318 University Hospital Extension, Tube Station #99.
Reference Interval:
0.4 – 1.5 %