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Test Code PCPU Phencyclidine Confirmation, Urine

Reporting Name

Phencyclidine Confirmation, U

Useful For

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

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type


Specimen Required

Supplies: Plastic, 60-mL urine container (T313)

Specimen Volume: 20 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

Additional Information:

1. No specimen substitutions.

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

3. Additional drug panels and specific requests are available. Call Mayo Medical Laboratories at 800-533-1710 or 507-266-5700.

4. If urine creatinine is required or adulteration of the sample is suspected, the following test should be requested, ADULT / Adulterants Survey, Urine. For additional information, please refer to ADULT / Adulterants Survey, Urine.

5. Submitting less than 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

Reference Values


Cutoff concentrations

Phencyclidine by GC-MS: <10 ng/mL

Day(s) and Time(s) Performed

Tuesday, Thursday

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


G0480 (if appropriate)

LOINC Code Information

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


Result ID Test Result Name Result LOINC Value
6673 Phencyclidine-by GC/MS 16254-5
21192 Phencyclidine Interpretation 69050-3
21193 Chain of Custody No LOINC Needed

Reject Due To


Mild OK; Gross OK




Mild OK; Gross OK



Method Name

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