Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

DRUGS OF ABUSE SCREEN, URINE

General Information

Lab Order Codes:

ABUS

Synonyms:

Urine drug screen

CPT Codes:

80301 – Drug screen, single class drug class method, by instrumented test systems, per date of service
OR
G0479 – Drug, test, presumptive (if appropriate)

Confirmations may be added at the request of the provider at an additional charge.

Test Includes:

Major metabolites of drugs of abuse (phencyclidine, benzodiazepines, cocaine metabolite, amphetamines, tetrahydrocannabinol, opiates, barbiturates) in urine.

Logistics

Test Indications:

Useful for the qualitative determination of the presence of the major metabolites of drugs of abuse in urine.

Lab Testing Sections:

Chemistry

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 hour or STAT (30 minutes)

Special Instructions:

Confirmatory testing, for positive screening results requires a separate order. Use Add Order in HIS (Hospital Information System) orders to request the specific confirmatory test.

Specimen

Specimen Type:

Urine

Container:

Urine Cup

Draw Volume:

10 mL (Pediatric Minimum: 4 mL, Absolute Minimum: 1 mL) urine

Note: Collection of the Absolute Minimum volume does not permit confirmatory or repeat testing.

Processed Volume:

Same as Draw Volume

Collection:

Random urine

Special Processing:

Lab Staff: No preservative. Refrigerate specimen after collection. Centrifuge specimens containing particulates.

Patient Preparation:

None

Sample Rejection:

Unlabeled or mislabeled specimen; adulterated specimen

Interpretive

Reference Range:

Negative

This test differentiates between positive and negative specimens at the designated cut-off concentrations.

Drug Name:

Cut-off concentration:

Confirmatory Test:

Phencyclidine:

25 ng/mL

PCCON

Benzodiazepines:

200 ng/mL

BECON

Amphetamines:

1000 ng/mL

AMCON

Cocaine (Benzoylecgonine):

300 ng/mL

COCON

Tetrahydrocannabinol:

50 ng/mL

THCON

Opiates (Morphine):

300 ng/mL

OPCON

Barbiturates:

200 ng/mL

BACON

Critical Values:

Call any positive results

Limitations:

This test is a qualitative screening test. Confirm positive results by another method, such as GC/HPLC if indicated.

Methodology:

Syva® Emit II Immunoassay

References:

Jacobs and DeMott (2001) Laboratory Test Handbook, 5th edition, Lexi-Comp, Inc., Hudson, OH, p 788

Siemens Dimension Vista Flex Reagent Cartridge Inserts, Newark, DE, 19714 (See below for individual analyte)

AMPH Flex® reagent cartridge insert sheet PN 781091.001,10/29/2012, Rev D

BARB Flex® reagent cartridge insert sheet PN 781096.001,10/13/2011, Rev D

BENZ Flex® reagent cartridge insert sheet PN 781097.001,10/29/2012, Rev F

COC Flex® reagent cartridge insert sheet PN 781092.001,10/29/2012, Rev D

OPI Flex® reagent cartridge insert sheet PN 781093.001,11/6/2012, Rev E

PCP Flex® reagent cartridge insert sheet PN 781094.001,11/7/2012, Rev D

THC Flex® reagent cartridge insert sheet PN 781095.001,11/7/2012, Rev D

Updates:

4/27/2006: TCA (Tricyclic Antidepressants) are no longer part of this assay.
3/30/2009: Revised volume to include Pediatric Minimum.
5/11/2010: CPT update, previously reported as 80101.
2/8/2011: CPT update, quantity changed
1/3/2012: Test no longer includes TCA.
1/12/15: CPT update
5/18/2015: CPT update
1/20/2016: CPT update
2/4/2016: CPT update



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