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22264 Blood Gases, Na/K/Ic and Hemoglobin, Venous

Blood Gases, Na/K/Ic and Hemoglobin, Venous
Test Code: VBGLH
Synonyms/Keywords
Ven.Bld.Gases & Na/K/Ion.Ca w/Hgb​
Test Components
Panel includes Blood Gas (pH, partial pressure of carbon dioxide pCO2, partial pressure of oxygen pO2, base excess BE, O2 Saturation calculated HCO3-Marshfield Only), Sodium, Potassium, Ionized calcium, and Hemoglobin​
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​ Whole Blood​Balanced Heparin Syringe​3 mL Lithium or Sodium-heparin Green Top (GTT)​1 mL​0.4 mL​140 uL in a 1 cc syringe​
Collection Processing Instructions
Draw blood without tourniquet and fist clenching. If a tourniquet must be used, do not release it during the collection. DO NOT introduce air into the syringe. Syringe must be filled to usual draw. Ice pack cooling is not required if the sample is analyzed within 30 minutes.
Specimen Stability Information
Specimen Type Temperature Time
Whole Blood​ ​ Ambient​ 20 min​
On Ice Pack​ 45 min​
Rejection Criteria
​Other anticoagulants such as EDTA, citrate, oxalate, and fluoride
Interference

Potassium is only stable for 20 minutes on ice. Longer delays will falsely elevate the result.​

Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ Less than 2 hours​ Co-oximetry/Roche Cobas b221  ​
Test Information
Oxygen saturation results generated in satellite laboratories (CCU, ICU, PICU) by Respiratory Therapy staff or using I-Stat instruments are calculated from PO2. Oxygen-saturation results in the lab at Marshfield are obtained by CO-Oximetry and reported as Percent Fractional Oxyhemoglobin (FHbO2) which includes the contribution of any dys-hemoglobins (carboxy-, met-). Accordingly, when dys-hemoglobins are present, (Lab) FHbO2 results may differ significantly from O2 saturation (SO2) obtained by calulation or using pulse oximetry.​
Reference Range Information
Performing Location Reference Range
Marshfield​
pH 7.32 - 7.42
pCO2 40 - 55 mm Hg
pO2 30 - 50 mm Hg
 
Base Excess (Calculated)  
 <=2 years: -8.0 - 0.0 mmol/L
 >=3 years: -3.0 - 3.0 mmol/L 
 
Oxygen Saturation   All ages 60 – 85%
 
Calculated HCO3 (Marshfield Only)
<=2 years: 17 - 24 mmol/L
>=3 years: 22 - 28 mmol/L
 
Sodium:
133-144 mmol/L
 
Potassium:
Newborns (0-12 months):  3.3-5.9 mmol/L 
>= 12 months:   3.4-5.1 mmol/L
Ionized Calcium:
0-4 days: 4.3-5.5 mg/dL
5-30 days: 4.8-6.0 mg/dL
1 mo.-20 yrs.: 4.9-5.5 mg/dL
>=20 yrs.: 4.7-5.5 mg/dL
Hemoglobin:
Newborn: 15.0 - 24.0 g/dL
1 - 23 months: 10.5 - 14.0 g/dL
2 - 9 years: 11.5 - 14.5 g/dL
Male:
10 - 17 years: 12.5 - 16.1 g/dL
18+ years: 12.9 - 17.3 g/dL
Female:
10 - 17 years: 12.0 - 15.0 g/dL
18+ years: 11.7 - 15.5 g/dL​
​See Critical Value List for list of current critical values ​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82803 ​ ​ ​ Gases, blood ​ ​
 84295 ​ ​ ​   Sodium​ ​
84132 ​ ​ ​  Potassium ​ ​
82330  ​ ​ ​ Ionized Ca​ ​
85018​ ​ ​ Hemoglobin​ ​
Synonyms/Keywords
Ven.Bld.Gases & Na/K/Ion.Ca w/Hgb​
Test Components
Panel includes Blood Gas (pH, partial pressure of carbon dioxide pCO2, partial pressure of oxygen pO2, base excess BE, O2 Saturation calculated HCO3-Marshfield Only), Sodium, Potassium, Ionized calcium, and Hemoglobin​
Ordering Applications
Ordering Application Description
​Centricity ​None
​Cerner ​None
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​ Whole Blood​Balanced Heparin Syringe​3 mL Lithium or Sodium-heparin Green Top (GTT)​1 mL​0.4 mL​140 uL in a 1 cc syringe​
Collection Processing
Draw blood without tourniquet and fist clenching. If a tourniquet must be used, do not release it during the collection. DO NOT introduce air into the syringe. Syringe must be filled to usual draw. Ice pack cooling is not required if the sample is analyzed within 30 minutes.
Specimen Stability Information
Specimen Type Temperature Time
Whole Blood​ ​ Ambient​ 20 min​
On Ice Pack​ 45 min​
Rejection Criteria
​Other anticoagulants such as EDTA, citrate, oxalate, and fluoride
Interference

Potassium is only stable for 20 minutes on ice. Longer delays will falsely elevate the result.​

Test Components
Panel includes Blood Gas (pH, partial pressure of carbon dioxide pCO2, partial pressure of oxygen pO2, base excess BE, O2 Saturation calculated HCO3-Marshfield Only), Sodium, Potassium, Ionized calcium, and Hemoglobin​
Reference Range Information
Performing Location Reference Range
Marshfield​
pH 7.32 - 7.42
pCO2 40 - 55 mm Hg
pO2 30 - 50 mm Hg
 
Base Excess (Calculated)  
 <=2 years: -8.0 - 0.0 mmol/L
 >=3 years: -3.0 - 3.0 mmol/L 
 
Oxygen Saturation   All ages 60 – 85%
 
Calculated HCO3 (Marshfield Only)
<=2 years: 17 - 24 mmol/L
>=3 years: 22 - 28 mmol/L
 
Sodium:
133-144 mmol/L
 
Potassium:
Newborns (0-12 months):  3.3-5.9 mmol/L 
>= 12 months:   3.4-5.1 mmol/L
Ionized Calcium:
0-4 days: 4.3-5.5 mg/dL
5-30 days: 4.8-6.0 mg/dL
1 mo.-20 yrs.: 4.9-5.5 mg/dL
>=20 yrs.: 4.7-5.5 mg/dL
Hemoglobin:
Newborn: 15.0 - 24.0 g/dL
1 - 23 months: 10.5 - 14.0 g/dL
2 - 9 years: 11.5 - 14.5 g/dL
Male:
10 - 17 years: 12.5 - 16.1 g/dL
18+ years: 12.9 - 17.3 g/dL
Female:
10 - 17 years: 12.0 - 15.0 g/dL
18+ years: 11.7 - 15.5 g/dL​
​See Critical Value List for list of current critical values ​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Sunday​ Less than 2 hours​ Co-oximetry/Roche Cobas b221  ​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
82803 ​ ​ ​ Gases, blood ​ ​
 84295 ​ ​ ​   Sodium​ ​
84132 ​ ​ ​  Potassium ​ ​
82330  ​ ​ ​ Ionized Ca​ ​
85018​ ​ ​ Hemoglobin​ ​
For most current information refer to the Marshfield Laboratory online reference manual.