Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  

BLOOD GAS, ARTERIAL

ORDERING INFORMATION:
Sunquest Test Code:
BGPA      Geisinger Epic Procedure Code: BGPA         Geisinger Epic ID: 45106

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
Specimen required:
1 mL whole blood; minimum 0.4 mL.
Special notes:
Due to sample instability, this test may only be collected and analyzed at a performing laboratory site (see below). Expel excess air from syringe. Mix well immediately after collection.

SPECIMEN PROCESSING
Transport temperature:
Room temperature (preferred). Transport immediately. If delay in transport is anticipated, place specimen on an ice slurry.
Specimen stability:
Stable 30 minutes at room temperature, 1 hour on an ice slurry.
Rejection criteria:
Stability limits exceeded (greater than 30 minutes at room temperature) or greater than 1 hour from time of collection when on ice slurry), specimens containing large clots or air bubbles.

TEST DETAILS
Reference interval:
pH
7.35-7.45
pCO2 (mmHg)
35-45
pO2 (mmHg)
75-100
Bicarbonate (mmol/L)
23-31
Base excess (mmol/L)
(-2) - (+2)
Hemoglobin
See individual listing
Oxyhemoglobin 94-99% total Hgb
Carboxyhemoglobin 0-1.5% total Hgb (smokers 0-9%)
Methemoglobin 0-1.5% total Hgb
Reduced Hgb 0-5% total Hgb
02 content 15-24% vol
Critical values/courtesy alerts:
pH below 7.2 or above 7.6. pO2 <=50. pCO2 above 55 mmHg. Carboxyhemglobin > 9.0%.
Additional information:
None.
CPT code(s):
82805, 85018, 82375, 83050
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
pH, pCO2, pO2, Bicarbonate, Base excess, Hemoglobin, Oxyhemoglobin, Carboxyhemoglobin, Methemoglobin, Reduced Hgb, O2 content. GJSH does not report reduced Hgb and O2 content.
Methodology:
Potentiometric
Optical
Amperometric
Synonyms:
ABG
ARTERIAL BLOOD GAS
Clinical significance:
Blood gas analysis is used to assess acid/base balance and state of oxygen perfusion.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 11/05/2019

Performing Locations

Geisinger Medical Center

Performing laboratory: Stat Lab
Technical Lead: Karen Delp
Frequency: Daily, Monday-Sunday
Performed stat? Yes

Geisinger Wyoming Valley Medical Center

Performing laboratory: ATL+
Technical Lead: Sarah McGowan    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Shamokin Area Community Hospital

Performing laboratory: Chemistry
Technical Lead: Kelly Alleman    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Bloomsburg Hospital

Performing laboratory: Chemistry
Technical Lead: Robyn Stokes  
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Community Medical Center

Performing laboratory: Chemistry
Technical Lead: Ann Mack, Deborah Dempsey  
Frequency: Daily all shifts    
Performed stat? Yes

Geisinger Lewistown Hospital

Performing laboratory: Chemistry
Technical Lead: Melissa Forsythe  
Frequency: All shifts    
Performed stat? Yes

Geisinger Holy Spirit Hospital

Performing laboratory: ATL+
Technical specialist: Hadeel Naghnaghieh    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Jersey Shore Hospital

Performing laboratory: Chemistry
Technical specialist: Brenda Shuman-Johnson    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger South Wilkes-Barre

Technical specialist: Bernadette Johnson    
Frequency: Daily, all shifts    
Performed stat? Yes
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*GMC - Geisinger Medical Center; GWV - Geisinger Wyoming Valley Medical Center; GSACH - Geisinger Shamokin Area Community Hospital; GBH - Geisinger Bloomsburg Hospital;
GCMC - Geisinger Community Medical Center (Scranton); GLH - Geisinger Lewistown Hospital; GHS - Geisinger Holy Spirit; GJSH - Geisinger Jersey Shore Hospital,
GSWB - Geisinger South Wilkes-Barre