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Geisinger Medical Laboratories Test Catalog
GLUCOSE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB2359 Geisinger Epic ID: 14349 | |
SPECIMEN COLLECTION |
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Specimen type: |
Plasma or serum | |
Preferred collection container: |
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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 |
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Specimen processing instructions: |
Allow serum to clot. Centrifuge to separate serum or plasma within 2 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). |
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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 |
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Reference interval: |
0-31 days: 45-90 mg/dL >= 32 days: 70-120 mg/dL |
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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) |
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Synonyms: |
Blood sugar, FBS, GLU
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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 |
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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