Alberta Precision Laboratories

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Organization:

Sub-Page

Message Alert:

PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing.

Test Name/Synonym:

Blood Gas, Capillary – GEM (Synonym: BGCAP, Capillary, BG)

Test Includes:

Calgary Zone:

Blood Gas, Capillary: pH, pCO2, pO2, HCO3, Base Excess, O2 Saturation, Total Hemoglobin, Carboxyhemoglobin, Oxyhemoglobin, Methemoglobin, Hematocrit, and Barometric Pressure.
Blood Gas, Capillary - Neonatal: pH, pCO2, pO2, HCO3, Base Excess, Barometric pressure

Central Zone:
pH, pCO2, pO2, HCO3, tCO2, O2 Saturation, and Base Excess.

Note: For sites where testing is not performed by the Laboratory, testing may also include Sodium, Potassium, Chloride, Ionized Calcium, Glucose, or Lactate.

Ordering Alert:

These tests are run as a panel ONLY. This panel is not for routine testing.

LABID (Connect Care):

LAB78

Specimen Type:

Blood

Primary Container:

HEPARINIZED CAPILLARY TUBE

Minimum Collection Volume:

Full capillary tube preferred
Minimum fill of 1/3 to ½ of capillary blood in heparinized capillary tube.

Specimen Collection Requirements:

Avoid or remove air bubbles.
Mix well.
Do NOT place on ice or in ice slurry.

Stability and Storage:

Room temperature: 15 minutes

Transportation:

Transport to testing department immediately.
Transport at room temperature.

Testing Schedule:

Daily

Reference Interval:

Parameter	Units	Gender	Reference Interval
pH	N/A	All	7.32 – 7.42
pCO2	mmHg		35 – 45
pO2	mmHg		N/A
HCO3	mmol/L		20 – 27
BE	mmol/L		-6 - 1
tHb	g/L		Refer to CBC and Differential Provincial Reference Intervals and Critical Values - Epic (albertahealthservices.ca)
O2 Sat	%		90 - 100
COHb	%		0.0 – 3.0
MetHb	%		0.0 – 2.0
OxyHb	%		85 - 95
Hct	L/L		Refer to CBC and Differential Provincial Reference Intervals and Critical Values - Epic (albertahealthservices.ca)

Critical Value:

Parameter	Units	Gender	Critical Value
pH	N/A	All	Less than 7.20 or greater than 7.50
pCO2	mmHg		Less than 20 or greater than 70
HCO3	mmol/L		Less than 10 or greater than 40
tHb	g/L		Refer to CBC and Differential Provincial Reference Intervals and Critical Values - Epic (albertahealthservices.ca)
COHb	%		Greater than 15.0
MetHb	%		Greater than 10.0

Testing Area:

Biochemistry

Performing Site:

Calgary Zone:	Canmore General Hospital High River General Hospital Strathmore District Health Services
Central Zone:	Camrose – St. Mary’s Hospital

Last Updated On:

Thursday, November 21, 2024