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HelpTest Code LAB1163 Blood Gases, Venous Blood
Additional Codes
| Test Name in EPIC | EPIC Test Code | Mnemonic |
|---|---|---|
| VENOUS BLD GASES | LAB1163 | VBGS |
Methodology
pH: pH-sensitive glass electrode in conjunction with a reference electrode
pCO2: An electrode that measures pCO2 ions directly as a pH change due to the diffusion of CO2 across the membrane
HCO3: Calculated
Includes pH, pCO2, HCO3 amd Base Excess
Specimen Requirements
Specimen must arrive within 30 minutes of draw.
Specimen Type: Venous blood
Container/Tube: Dark-green top (lithium heparin) tube or lithium heparin blood gas syringe. Microtainers are not acceptable for specimen collection.
Specimen Volume: 2 mL
Syringe Specimen Minimum Volume: 1.5 mL
Collection Instructions: If sending syringe, remove needle, express air bubbles, and cap with rubber stopper.
Specimen Transport Temperature
Ambient 30 minutes/Refrigerate NO/Frozen NO
Day(s) Test Set Up
Monday through Sunday
Performing Laboratory
Chemistry -
East Region: Deer River Hospital Lab, Northern Pines Lab, Sandstone Hospital Lab, SMDC Clinical Lab, St. Mary's Hospital - Superior Lab, Virginia Hospital Lab
West Region: Fargo Hospital, Fosston Hospital Lab, St. Mary's - Detroit Lakes Hospital Lab
Test Classification and CPT Coding
82803
Reference Values
pH 7.35-7.45
pCO2 38-50 mmHg
HCO3 23-27 mEq/L
Base Excess -2.0 - 2.0