Ketones (Beta Hydroxybutyrate) by Meter, Blood
| Sunquest Code: | KETONE | ||
| Epic Code: | LAB3224 | Epic Name: | Ketone (Beta-Hydroxybutyrate) Quantitative |
| Synonyms: | Beta-Hydroxybutyric Acid (Rapid) | ||
| Methodology: | B-Hydroxybutyrate dehydrogenase reaction (Medisense Precision Xtra) | ||
| Test Includes: | Test measures B-hydroxybutyrate (B-Ketone), the most important of the three ketone bodies. | ||
| Turnaround Time: | Performed 24 hours/day. | ||
| Special Instructions: | Specimen must be sent to lab immediately. Testing must be performed within 30 minutes of collection. | ||
Collection Instructions
| Specimen: | Whole blood; do not centrifuge |
| Optimal Volume: | 1 mL |
| Minimum\Peds Volume: | 0.1 mL |
| Container: | Green (lithium heparin, gel), Grand Itasca - Green (lithium heparin, no gel), St Johns/St Joseph/Woodwinds - Red (no gel) (Grand Itasca - Red (no gel), Purple (EDTA), Red (no gel), St Johns/St Joseph/Woodwinds-Green (lithium heparin, no gel), Dry heparin syringe) |
| Contraindications: | High hematocrits (above 60%) may yield falsely lower results and lower hematocrits (below 30%) may cause falsely high results. Test results may be erroneously low if patient is severely dehydrated, or severely hypotensive, in shock, or in hyperglycemic-hypersmolar state. |
Processing and Shipping
| Specimen Processing: | Do not store. |
| Test Performed at or Referral Lab | Chemistry (Range, UMMC-East Bank, Lakes, Ridges, Northland, Southdale, UMMC/UMMCH-West Bank, St. John's, Woodwinds) |
Interpretive
| Critical Range: | Greater than 1.5 mmol/L |
| Reference Range: | 0.0-0.6 mmol/L |
| Use: | Evaluate ketoacidosis; usually with diabetes mellitus. The method preferentially measures beta-hydroxybutyrate, which is elevated more reliably in diabetics with ketoacidosis, rather than acetoacetate. |
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