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Specimen Collection Manual and Test Catalog

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CHEMISTRY PROFILE, WHOLE BLOOD

Geisinger Epic Procedure Code:  LAB3512    Geisinger Epic ID:  123446

SPECIMEN COLLECTION
Specimen type: 

Whole blood


Preferred collection container: 
Alternate collection container: 
Lithium heparin (no gel) microtainer
Specimen required: 

1 mL whole blood; minimum 0.5 mL.


Special notes: 

Due to sample instability, this test may only be collected and analyzed at performing laboratory site.



SPECIMEN PROCESSING
Transport temperature: 

Room temperature. Do not refrigerate.


Specimen stability: 

Stable 1 hour at room temperature.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
Reference interval: 

Sodium: 135-146 mmol/L 
Potassium: 3.5-5.1 mmol/L 
Chloride: 98-107 mmol/L 
Bicarbonate: 23-31 mmol/L 
Anion gap: 7.0-15.0 mmol/L 
Glucose: 
    0-31 days: 45-90 mg/dL; 
    >= 32 days: 70-120 mg/dL 
Ionized Calcium: 
    0-17 years: 1.22-1.37 mmol/L; 
    18 years and older: 1.13-1.32 mmol/L


Critical values/courtesy alerts: 
Sodium: Below 120, above 155 mmol/L
Potassium: Below 2.5, above 6.5 mmol/L
iCa: Below 0.76 mmol/L; above 1.59 mmol/L
Glucose: Below 45 mg/dL; above 500 mg/dL
Additional information: 

This test is also performed at the Mount Pocono and Pottsville clinic laboratories during clinic hours.


CPT code(s):  82330, 82435, 82947, 84132, 84295
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: 

Sodium, Potassium, Chloride, Ionized Calcium, Bicarbonate, Anion gap, Glucose


Methodology: 
Amperometric
Potentiometric
Synonyms: 

Clinical significance: 

See individual member listing.


Doctoral Director(s): 
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Benjamin Andress, PhD, DABCC
Review Date:  01/14/2025

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