Glucose, Random
Test code
CPT code(s)*
Test resources
Details
Methodology
Spectrophotometry (SP)
Alternative name(s)
Random Glucose,RBS
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL serum |
| Alternative specimen(s) | Plasma collected in fluoride/oxalate (gray-top) tube, lithium heparin (green-top) tube or sodium heparin (green-top) tube • Whole blood collected in fluoride/oxalate (gray-top) tube |
| Minimum volume | 0.5 mL |
| Collection instructions | Note: Serum and plasma submissions must be separated from cells |
| Transport container | Serum separator tube (SST) |
| Transport temperature | Room temperature |
| Specimen stability | Serum Room temperature: 4 days Refrigerated: 7 days Frozen: 28 days Fluoride/Oxalate plasma Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days Heparinized plasma Room temperature: 48 hours Refrigerated: 7 days Frozen: 28 days Whole blood Room temperature: 24 hours Refrigerated: 72 hours Frozen: Unacceptable |
| Reject criteria | Unspun SST, red-top or non-plasma separator (PST) green-top tubes • Anticoagulants other than lithium heparin, sodium heparin or fluoride/oxalate |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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