VLTS - Specimen: Volatile Screen, Serum

Test Catalog

Test Name

Test ID: VLTS    
Volatile Screen, Serum

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

This test includes analysis for methanol, ethanol, isopropanol, and acetone.

Specimen Type Describes the specimen type validated for testing


Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Ethylene glycol requires a separate request. See ETGL / Ethylene Glycol, Serum.


Submit only 1 of the following specimens:



Container/Tube: Serum gel

Specimen Volume: Full tube

Collection Instructions:

1. Arm must be cleansed with water only.

2. Avoid exposure of specimen to atmosphere.

3. Do not aliquot.



Container/Tube: Red top

Specimen Volume: Full tube

Collection Instructions: 

1. Arm must be cleansed with water only.

2. Avoid exposure of specimen to atmosphere.

3. Centrifuge specimen within 2 hours of draw and send serum aliquot to laboratory refrigerated.

Specimen Minimum Volume The amount of sample necessary to provide a clinically relevant result as determined by the Laboratory.

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected


Mild OK; Gross OK


Mild OK; Gross OK


Mild OK; Gross OK




Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperatures are also included.

Specimen TypeTemperatureTime
SerumRefrigerated (preferred)72 hours
 Frozen 14 days
 Ambient 24 hours