Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

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

FASTING PLASMA GLUCOSE

ORDERING INFORMATION:
Sunquest Test Code:
GLUFP      Geisinger Epic Procedure Code: 82947         Geisinger Epic ID: 6687

SPECIMEN COLLECTION
Specimen type:
Plasma
Preferred collection container:
Specimen required:
2 mL plasma; minimum 0.5 mL.
Special notes:
Place specimen on ice, or centrifuge and separate plasma from cells.
Patient preparation:
Fasting specimen required.

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge at 1100-2000 g for a minimum of 10 minutes. 
Transport temperature:
Refrigerated (preferred) or room temperature.
Specimen stability:
3 days (spun and unspun).
Rejection criteria:
Stability limits exceeded.

TEST DETAILS
Interpretation guide:
Based on guidelines from American Diabetes Association:
Fasting glucose < 100 mg/dL ~ normal
100 mg/dL <= fasting glucose < 126 mg/dL ~ pre-diabetes
fasting glucose >= 126 mg/dL ~ diabetes, diagnosis requires two abnormal diabetes diagnostic test results.
Critical values/courtesy alerts:
Below 45 mg/dL, 500 mg/dL or above.
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:
Fasting plasma glucose.
Methodology:
Spectrophotometric (Colorimetric)
Synonyms:
FPG
Fasting blood sugar
Clinical significance:
Glucose measurements are used in the diagnosis and treatment of carbohydrate metabolic disorders, including diabetes mellitus, idiopathic hypoglcyemia, 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
Performed stat? Yes

Geisinger Wyoming Valley Medical Center

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

Geisinger Shamokin Area Community Hospital

Performing laboratory: Chemistry
Technical Lead: Kelly Alleman    
Frequency: Daily    
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    
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
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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