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Geisinger Medical Laboratories Test Catalog
GLUCOSE, FASTING PLASMA |
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Geisinger Epic Procedure Code: LAB2377
Geisinger Epic ID: 6687
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SPECIMEN COLLECTION |
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Specimen type: |
Plasma | |
Preferred collection container: |
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Specimen required: |
2 mL plasma; minimum 0.5 mL. | |
Special notes: |
Place specimen on ice, or centrifuge and separate plasma from cells. | |
Patient preparation: |
8-hour fasting is required. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge to separate plasma within 2 hours of collection. | |
Transport temperature: |
Refrigerated (preferred) or room temperature. | |
Specimen stability: |
3 days (spun and unspun). | |
Rejection criteria: |
Stability limits exceeded. | |
TEST DETAILS |
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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. |
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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) |
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Synonyms: |
FPG, GLUFP Fasting blood sugar
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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, FADLM 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