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Venous Blood Gas with CO-Oximetry

Synonyms

  • BLOOD GAS/COOX VENOUS
  • LAB10438
  • VENOUS BLOOD GAS WITH COOX

Cerner Name

zzBlood Gas/COOX Venous

Clinical Info

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

Container

Syringe

Collection Instructions

Specimen Type - Whole Blood, Venous
Deliver to lab immediately. Samples must have collection time written on the Cerner/FOD label. Samples must be collected in a 1-3 mL self-filling plastic, disposable blood gas syringe or capillary tube pre-filled with an appropriate concentration of lithium heparin. Due to the permeable nature of plastic syringes, it is recommended that syringes be kept at room temperature as long as the blood is analyzed within 30 minutes of collection

Transport Instructions

Specimen Stability

Send to lab within 15 minutes. Transport at Room Temperature. Test must be performed within 30 minutes of collection. Add-ons are not permitted

Methodology

Amperometric - pO2, Glucose, Lactate
Potentiometric - pH, pCO2, Na+, K+, Ca++, Cl-
Conductivity - Hct
Optical Measurement following chemical lysing and mixing of whole blood sample - Co-Oximetry

Days Performed

Sunday through Saturday

Performing Laboratories
  • LIJ Hospital Laboratory
  • Lenox Hill Laboratory
  • Northern Westchester Hospital Labs
  • Phelps Memorial Hospital Labs

CPT

PDM

2053737

Results

Result Interpretation

pH Venous 7.32 - 7.43
pCO2 Venous mmHg 42 - 55 M /39-42 F
pO2 Venous mmHg 25-45
TCO2 Venous mmol/L 22.0 - 26.0
BE Venous mmol/L -2.0 - 2.0
HCO3 Venous mmol/L 22 - 29
CO-Hgb % < = 3.0
O2 Hgb % 90 - 95
Met Hgb % < = 1.5
O2 Sat. % 94-98
O2 Content % 18-22

Forms
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Workgroup: Chemistry
Procedure Master Number: LAB10438
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