Test Code LAB4998 Blood Gas, Cord Venous
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Methodology
Amperometric and Potentiometric
Literature References:
Reference manual: ABL 800 Series. Radiometer America, Bronshoj Denmark, 2009
Specimen Requirements
Specimen Type: Whole blood, heparinized cord
Container/Tube: Sims-Portex blood gas syringe
Specimen Volume: Full tube
Additional Information:
1. Send capped syringe (no needle attached) to the laboratory.
2. If sending at ambient temperature via pneumatic tube, specimen must be received in the laboratory within 30 minutes of draw.
3. If sending by dispatch, place labeled syringe in a container with wet ice. Specimen must be received in the laboratory within 60 minutes of draw.
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 15 minutes after receipt in laboratory
Routine: not available
Test Classification and CPT Coding
82803-Blood gas
83605-Lactate
Reference Values
pH: No established reference intervals
Critical result (automatic call-back): ≤ 7.10
pCO2: No established reference intervals
pO2: No established reference intervals
HCO3: No established reference intervals
Base excess: No established reference intervals
Critical result (automatic call-back): ≤ -12
O2 Sat: No established reference intervals
Lactate: No established reference intervals
Specimen Transport Temperature
Refrigerate <60 minutes/Ambient <30 minutes OK
Additional Information
For BJH Laboratory Use Only
Analyte Stability:
See Analyte Stability Chart under General Information for a complete list.
Laboratory Processing Instructions:
Performed in BJH Core Lab. Deliver to the blood gas workstation immediately.
LOINC Code Information
Name |
Loinc Code
|
pH | 28647-6 |
pCO2 | 28645-0 |
pO2 | 28649-2 |
HCO3 Content (Calculated) | 57923-5 |
Lactate | 55932-8 |
Base Excess | 11555-0 |