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Test ID NBLD0554 Barbiturates Confirmation, Random, Urine

Useful For

Detecting drug abuse involving barbiturates such as amobarbital, butalbital, pentobarbital, phenobarbital, and secobarbital

Specimen Type

Urine


Ordering Guidance


For situations where chain of custody is required, a Chain-of-Custody Kit (T282) is available. For chain-of-custody testing, order BARBX / Barbiturates Confirmation, Chain of Custody, Random, Urine.

 

Additional drug panels and specific requests are available. Call 800-533-1710 or 507-266-5700.



Additional Testing Requirements


If urine creatinine is required or adulteration of the sample is suspected, also order ADULT / Adulterants Survey, Random, Urine in addition to this test.



Specimen Required


Supplies: Urine Tubes, 10 mL (T068)

Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 10 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

Additional Information:

1. No specimen substitutions.

2. STAT requests are not accepted for this test.


Specimen Minimum Volume

5 mL

Reject Due To

Gross hemolysis OK
Gross icterus OK

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 14 days
  Frozen  14 days
  Ambient  72 hours

Day(s) Performed

Monday, Wednesday, Friday

Report Available

3 to 5 days

Method Name

Gas Chromatography Mass Spectrometry (GC-MS)

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

80345

G0480 (if appropriate)

Secondary ID

80372

Reporting Name

Barbiturates Confirmation, U

Reference Values

Negative

 

Cutoff concentrations:

BUTALBITAL BY GC-MS

<100 ng/mL

 

AMOBARBITAL BY GC-MS

<100 ng/mL

 

PENTOBARBITAL BY GC-MS

<100 ng/mL

 

SECOBARBITAL BY GC-MS

<100 ng/mL

 

PHENOBARBITAL BY GC-MS

<100 ng/mL

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

Forms

If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen. 

Sanford Laboratories - Fargo Additional Information:

SANFORD INTERFACE BUILD INFORMATION

Result Code Result Code Description
17406 Butalbital-By GC/MS
17407 Amobarbital- By GC/MS
17408 Pentobarbital-By GC/MS
17409 Secobarbital- By GC/MS
17410 Phenobarbital- By GC/MS
17411 Interpretation
17412 Chain of Custody