Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

GLUCOSE

ORDERING INFORMATION:
Sunquest Test Code:
GLU      Geisinger Epic Procedure Code: 82947.09         Geisinger Epic ID: 14349

SPECIMEN COLLECTION
Specimen type:
Plasma or Serum
Preferred collection container:
Specimen required:
2 mL of serum or plasma; minimum 0.5 mL.
Special notes:
Outreach clients: Specimen may also be collected in grey-top tubes. Place specimen on ice, or centrifuge and separate plasma from cells.
Patient preparation:
Fasting specimen is not required. For fasting glucose, please order Fasting Plasma Glucose (GLUFP).

SPECIMEN PROCESSING
Specimen processing instructions:
Plasma: Centrifuge at 1100-2000 g for a minimum of 10 minutes.
Serum: Allow to clot. Centrifuge at 1100-2000 g for a minimum of 10 minutes. For specimens collected in anything other than grey-top tubes, specimen is not acceptable for glucose testing if not centrifuged within two hours of collection. 
Transport temperature:
Refrigerated (preferred) or room temperature.
Specimen stability:
Spun SST: Room temperature 8 hours; refrigerated 3 days.
Spun PST: Room temperature 4 hours; refrigerated 8 hours.
Grey-top: 3 days (spun and unspun).
Rejection criteria:
For specimens collected in anything other than grey-top tubes, specimen is not acceptable for glucose testing if not centrifuged within 2 hours of collection.

TEST DETAILS
Reference interval:
0-31 days: 45-90 mg/dL
>= 32 days: 70-120 mg/dL
Critical values/courtesy alerts:
Below 45, above 500 mg/dL.
CPT code(s):
82947
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:
Glucose.
Methodology:
Spectrophotometric (Colorimetric)
Synonyms:
Blood sugar
Clinical significance:
Glucose levels are used in the diagnosis and treatment of carbohydrate metabolic disorders including diabetes mellitus, idiopathic hypoglycemia, and pancreatic islet cell neoplasm.
Doctoral Director(s:)
Hoi-Ying Elsie Yu, PhD, DABCC
Sheng-Ying (Margaret) Lo, PhD, DABCC    
Review Date: 11/05/2018

Performing Locations

Geisinger Medical Center

Performing laboratory: Automated Chemistry
Technical Lead: Mariana Moyer, Jared Shepherd
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    
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: Daily, 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