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Test Code MISCLM Phencyclidine Confirmation, Chain of Custody, Urine

Additional Codes

 

MAYO Test ID

PCPX

EPIC Test ID

2608

 

Useful For

Detection of drug abuse involving phencyclidine (angel dust or angel hair)

 

Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to protect the rights of the individual contributing the specimen by demonstrating that it was under the control of personnel involved with testing the specimen at all times; this control implies that the opportunity for specimen tampering would be limited.

Additional Tests

Test ID Reporting Name Available Separately Always Performed
COCH Chain of Custody Processing No Yes
ADLTX Adulterants Survey, CoC, U Yes Yes

Testing Algorithm

Adulterants testing will be performed on all chain of custody urine samples as per regulatory requirements.

Reporting Name

Phencyclidine Confirmation, CoC, U

Specimen Type

Urine


Specimen Required


Container/Tube: Chain-of-Custody Kit (T282) containing the specimen containers, seals, and documentation required.

Specimen Volume: 20 mL

Collection Instructions: Collect specimen in the container provided, seal, and submit with the associated documentation to satisfy the legal requirements for chain-of-custody testing.

Additional Information: Submitting <20 mL will compromise our ability to perform all necessary testing.


Specimen Minimum Volume

5 mL

Specimen Stability Information

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

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

NA

Icterus

Mild OK; Gross OK

Other

NA

Reference Values

Negative

 

Cutoff concentrations

IMMUNOASSAY SCREEN

<25 ng/mL

 

Phencyclidine by GC-MS: <10 ng/mL

Day(s) and Time(s) Performed

Monday

Analytic Time

2 days

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

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

CPT Code Information

83992

G0480 (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PCPX Phencyclidine Confirmation, CoC, U In Process

 

Result ID Test Result Name Result LOINC Value
6672 Phencyclidine Immunoassay Screen 19659-2
36229 Phencyclidine-by GC/MS 16254-5
36230 Phencyclidine Interpretation 69050-3
36231 Chain of Custody No LOINC Needed

Method Name

Immunoassay/Gas Chromatography-Mass Spectrometry (GC-MS) Confirmation with Quantitation