Home
HelpEpic Test Code LAB76 Arterial Blood Gas
Performing Location(s)
CRH,LFH,OCH,FTT,FOX
BMC Back Up
Available STAT
Yes
Specimen Type
Whole Blood: Arterial, Capillary,Cord (MIBH)
Collected by Respiratory Therapy or Nursing
Specimen Tubes for Blood Gases
.
Preferred Container
Lithium Heparin coated syringe
Lithium Heparin Tube
Expel all air bubbles from syringe immediately after collection.
Alternate Container
Mint Green top tube (prefer Dark Green top tube short 4.0mL draw Lithium Heparin only when submitted to the Clinical Lab for Blood Gas or with lactate and/or with Basic Metabolic Pane unspun.
Volume Required
2 ml Whole blood
Minimum Volume
0.5 ml
Transportation Needs
Deliver ASAP within 15 minutes.
Do not centrifuge.
Stable 30 minutes at RT.
Do Not send on ice
Do Not send through the pneumatic tube system.
Causes for Rejection
Mislabeled or unlabeled specimen
Less than 95% draw for Vacutainer tubes
Specimen not received within 30 min of collection at room temp
Specimen delivered on ICE
Specimen contaminated with Room Air (bubbles in syringe or uncapped), Clotted or Centrifuged Pneumatic tube transport of Green top tubes or syringes
All other tubes or anticoagulant other than Lithium heparin whole blood
No Add-ons
Includes
pH, PCO2, PO2, bicarbonate, Total CO2, Base Excess (or Deficit), O2 saturation
Reference Values
|
Reference Ranges |
||||
|
Analyte |
Units |
Population |
Arterial |
|
|
pH |
(none) |
All |
7.350-7.450 |
|
|
pCO2 |
mmHg |
All |
32-48 |
|
|
pO2 |
mmHg |
All |
83-108 |
|
|
HCO3 |
mmol/L |
All |
21-28 |
|
|
TCO2 |
mmol/L |
All |
19-32 |
|
|
O2 Content |
vol% |
All |
15-23 |
|
|
O2 Saturation |
% |
All |
95-98 |
|
|
Base Excess |
mmol/L |
All |
(-2)-(+3) |
|
|
0 d-1wk |
||||
|
1 wk-1 yr |
||||
|
1-16 yr |
||||
|
>16 yr |
||||
|
Critical Values |
||||
|
Analyte |
Units |
Population |
Arterial/ |
Arterial/ |
|
pH |
(none) |
All |
< 7.25 |
>7.60 |
|
pCO2 |
mmHg |
All |
< 23 |
>60 |
|
pO2 |
mmHg |
All |
< 45 |
|
|
Hemoglobin Reference Ranges |
|||
|
Population |
Units |
Reference Range |
Low Critical Value |
|
< 1 month |
g/dL |
13.0 - 19.0 |
< 7.0 |
|
1 month - 5 month |
g/dL |
11.0 - 17.0 |
< 7.0 |
|
5 month - 2 years |
g/dL |
11.0 - 14.0 |
< 7.0 |
Methodology
Ion specific electrodes, spectrophotometry, calculations (NOVA)
Days of Analysis
All
CPT Code
82803
Last Updated
12-JUL-23 MS