Referred Tests
| Web: | mayocliniclabs.com |
|---|---|
| Email: | mcl@mayo.edu |
| Telephone: | 800-533-1710 |
| International: | +1 855-379-3115 |
| Values are valid only on day of printing. | |
Test ID: VLTB
Volatile Screen, Blood
Testing Algorithm 
Delineates situations when tests are added to the initial order. This includes reflex and additional tests.
This test includes analysis of methanol, ethanol, isopropanol, and acetone.
Specimen Type Describes the specimen type validated for testing
Whole blood
Advisory Information
This test is not performed using chain of custody. For chain of custody testing order VLTBX / Volatile Screen, Chain of Custody, Blood.
Additional Testing Requirements
Ethylene glycol requires a separate request. See ETGL / Ethylene Glycol, Serum.
Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing
Container/Tube:
Preferred: Grey top (potassium oxalate/sodium fluoride)
Acceptable: Any anticoagulant
Specimen Volume: 1 mL
Collection Instructions: Do not use alcohol to clean arm. Use alternatives such as Betadine to cleanse arm before collecting any specimen for volatile testing.
Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory
0.5 mL or amount to fill 1 tube
Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected
| Gross hemolysis | OK |
| Gross lipemia | Reject |
| Gross icterus | OK |
Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole blood | Refrigerated (preferred) | 14 days | |
| Frozen | 28 days | ||
| Ambient | 24 hours |