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Test Code ADLTX Adulterants Survey, Chain of Custody, Random, Urine

Useful For

Assess the possible adulteration of a urine specimen submitted for drug of abuse testing, as well as for providing the urine creatinine for "creatinine normalization"

 

This chain-of-custody test is intended to be used in a setting where the test results can be used definitively to make a diagnosis.

Additional Tests

Test ID Reporting Name Available Separately Always Performed
COCH Chain of Custody Processing No Yes

Special Instructions

Reporting Name

Adulterants Survey, 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 provided container, seal, and submit with the associated documentation to satisfy the legal requirements for chain-of-custody testing.

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


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

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

Day(s) and Time(s) Performed

Monday through Saturday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

81005

LOINC Code Information

Test ID Test Order Name Order LOINC Value
ADLTX Adulterants Survey, CoC, U 58715-4

 

Result ID Test Result Name Result LOINC Value
36121 Creatinine, U 2161-8
36122 Specific Gravity 5810-7
36123 pH 2756-5
36124 Oxidants 58714-7
36125 Nitrites 2657-5
36126 Comment 48767-8

Method Name

Spectrophotometry (SP)

Reference Values

Cutoff concentrations

Oxidants: 200 mg/L

Nitrites: 500 mg/L

Testing Algorithm

See Adulterant Survey Algorithm in Special Instructions.

Forms

1. Chain-of-Custody Request is included in the Chain-of-Custody Kit (T282).

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