Blood Gas, Venous Cord


Sunquest Code:BGCDV  
Epic Code:LAB77Epic Name:Blood Gas Cord Venous
Synonyms:Cord Blood Gas
Methodology:Electrode
CPT Code:----------CPTCODES HERE----------
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.5 mL (3 mL syringe); 0.2 mL (tuberculin syringe); 4 inch segment of cord tissue (clamped)
Collection Instructions:Specimen should be free of air bubbles. Deliver to laboratory immediately; preferably within 30 minutes; ice is not required. Alternatively, within 60 minutes is acceptable.


Processing and Shipping

Shipping Instructions:none
Test Performed at or Referral Lab Chemistry  (Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Southdale - FSH, UMMC NICU, Grand Itasca GICH)


Interpretive

Critical Range:pH less than 7.16
Reference Range:
 
Venous  
pH 7.21-7.45
pCO2 27-57 mm Hg
pO2 21-37 mm Hg
HCO3 16-24 mmol/L
Base Excess -8.1 to 1.19 mmol/L

GICH:
Venous  
pH 7.24-7.49
pCO2 30-55 mm Hg
pO2 15-40 mm Hg
HCO3 18-24 mmol/L
Use:Evaluate oxygen and metabolic parameters. Monitor oxygen therapy. Base Excess: Positive values indicate a relative deficit of noncarbonic acids; negative values (base deficit) indicate a relative excess of noncarbonic acids.


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