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22266 Blood Gases, Umbilical Cord Arterial

Blood Gases, Umbilical Cord Arterial
Test Code: UABG
Synonyms/Keywords
Cord Gas, Arterial
Test Components

Panel includes Blood Gas (pH, partial pressure of carbon dioxide pCO2, partial pressure of oxygen pO2,  base excess BE)​

Specimen Requirements
 
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No Umbilical Cord Blood​Heparinized air-tight syringe​​1 mL​0.3 mL​ ​
Collection Processing Instructions
Since the relative acidity and oxygenation status of venous and arterial cord gases are reversed relative to traditional arterial and venous samples, appropriate use of lab ordering codes is essential for physician interpretation.
Cord blood gas is to be ordered under the baby's medical history number/name, under the OB provider.

Ice pack cooling is not required if the sample is analyzed within 30 minutes. If blood gas analysis will not be performed within 30 minutes after specimen collection, transport sample in a cold pack or prepare a container with ice water capable of maintaining refrigerated temperatures and large enough for immersion of the barrel of the capped/sealed syringe.
Specimen Stability Information
Specimen Type Temperature Time
Whole Blood​ ​ Ambient​ 30 min​
On Cold Pack 45 min​
Rejection Criteria
​Tuberculin syringes are not considered to be gas-tight and should be avoided
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Beaver Dam
​Monday through Sunday
​Less than 2 hours
​​Gem 5000
Weston​​
 ​Monday through Sunday​ ​Less than 2 hours​ ​Radiometer
​Eau Claire ​Monday through Sunday Less than 2 hours ​Gem 4000
MMC-Rice Lake ​Monday through Sunday​ ​Less than 2 hours​ ​Gem 4000
Marshfield​ Monday through Sunday​ Less than 2 hours​  ​Gem 4000
​Minocqua​Monday through Sunday​Less than 2 hours​Gem 4000
Reference Range Information
Performing Location Reference Range
All Performing Sites No reference range for this specimen type.
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82803 ​ ​ ​ ​ ​
Synonyms/Keywords
Cord Gas, Arterial
Test Components

Panel includes Blood Gas (pH, partial pressure of carbon dioxide pCO2, partial pressure of oxygen pO2,  base excess BE)​

Ordering Applications
Ordering Application Description
​Cerner Art. Blood Gas-Umbilical​
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
 
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No Umbilical Cord Blood​Heparinized air-tight syringe​​1 mL​0.3 mL​ ​
Collection Processing
Since the relative acidity and oxygenation status of venous and arterial cord gases are reversed relative to traditional arterial and venous samples, appropriate use of lab ordering codes is essential for physician interpretation.
Cord blood gas is to be ordered under the baby's medical history number/name, under the OB provider.

Ice pack cooling is not required if the sample is analyzed within 30 minutes. If blood gas analysis will not be performed within 30 minutes after specimen collection, transport sample in a cold pack or prepare a container with ice water capable of maintaining refrigerated temperatures and large enough for immersion of the barrel of the capped/sealed syringe.
Specimen Stability Information
Specimen Type Temperature Time
Whole Blood​ ​ Ambient​ 30 min​
On Cold Pack 45 min​
Rejection Criteria
​Tuberculin syringes are not considered to be gas-tight and should be avoided
Test Components

Panel includes Blood Gas (pH, partial pressure of carbon dioxide pCO2, partial pressure of oxygen pO2,  base excess BE)​

Reference Range Information
Performing Location Reference Range
All Performing Sites No reference range for this specimen type.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Beaver Dam
​Monday through Sunday
​Less than 2 hours
​​Gem 5000
Weston​​
 ​Monday through Sunday​ ​Less than 2 hours​ ​Radiometer
​Eau Claire ​Monday through Sunday Less than 2 hours ​Gem 4000
MMC-Rice Lake ​Monday through Sunday​ ​Less than 2 hours​ ​Gem 4000
Marshfield​ Monday through Sunday​ Less than 2 hours​  ​Gem 4000
​Minocqua​Monday through Sunday​Less than 2 hours​Gem 4000
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82803 ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.