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Test Code CAPBG Capillary Blood Gas

Performing Laboratory

Hunterdon Medical Center Laboratory

Test Includes

pH, pCO2, pO2, O2 saturation, Base Excess, Bicarbonate, Total CO2

Special Instructions

Note: Effective March 1, 2016 specimen must be received on ice. Place specimen in plastic bag and close; then place in a bag of ice. Deliver to the Laboratory immediately after collection.

Specimen Required

Container/Tube: Capillary Tube

Specimen Volume: Full Capillary

Specimen Type

Capillary blood

Specimen Transport Temperature

Ambient

Reject Specimen Due To

Clotted

Quantity Not Sufficient for testing

Day(s) Test Set up

Monday through Sunday

Available STAT

Reference Values

pH; 7.210 -7.387

pCO2: 38.7 – 67.0 mm/Hg

pO2: 29.3 – 52.8 mm/Hg 

Bicarbonate: 22.0 – 27.2 mmol/L

Total CO2: Not Defined

Base Excess: -4.8 to 0.0 mmol/L

O2 saturation: Not Defined

Methodology

Visible absorption spectroscopy

CPT Code

82083

Loinc Code

pH: 2745-8

pCO2: 2020-6

pO2: 2703-7

pO2: 2704-5

Base Excess: 1926-5

Bicarbonate: 1961-2

Total CO2: 16551-4,

O2 saturation: 2709-4