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Geisinger Medical Laboratories Test Catalog
BLOOD GAS, ARTERIAL |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3463 Geisinger Epic ID: 45106 | ||||||||||||||||||||||
SPECIMEN COLLECTION |
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Specimen type: |
Whole blood | ||||||||||||||||||||||
Preferred collection container: |
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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 |
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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 |
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Reference interval: |
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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. | ||||||||||||||||||||||
Methodology: |
Potentiometric Optical Amperometric |
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Synonyms: |
ABG ARTERIAL BLOOD GAS BGPA
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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 |
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| Review Date: | 12/14/2022 | ||||||||||||||||||||||
Performing Locations
Geisinger Wyoming Valley Medical Center
Geisinger Shamokin Area Community Hospital
Geisinger Community Medical Center
Geisinger Medical Center Muncy