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Order Code ADULT Adulterants Survey, Random, Urine

Useful For

Assessment of possible adulteration of a urine specimen submitted for drug of abuse testing

 

Providing the creatinine concentration for normalization purposes

Testing Algorithm

For more information see Adulterant Survey Algorithm.

Special Instructions

Reporting Name

Adulterants Survey, U

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 information, see ADLTX / Adulterants Survey, Chain of Custody, Random, Urine.



Specimen Required


Container/Tube: Plastic, 60-mL urine bottle

Specimen Volume: 1.5 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative.

Additional Information: Submitting less than 1.5 mL may compromise the ability to perform all necessary testing.


Specimen Minimum Volume

1 mL

Specimen Stability Information

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

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Method Description

All results are measured using spectrophotometry at wavelengths specified by the reagent manufacturer. The use of a refractometer may also be used in the specific gravity measurement.(Package inserts: Specimen Validity Test Creatinine. Roche Diagnostics; V3.0, 08/2015; Specimen Validity Test Nitrite. Roche Diagnostics; V3.0, 08/2018, Specimen Validity Test Oxidant. Roche Diagnostics; V 3.0, 08/2018; Specimen Validity Test pH Roche Diagnostics; V3.0, 02/2019, Specimen Validity Test Specific Gravity. Roche Diagnostics; V4.0, 08/2022)

Day(s) Performed

Monday through Saturday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Method Name

Spectrophotometry (SP)

Reference Values

Cutoff concentrations

Oxidants: 200 mg/L

Nitrites: 500 mg/L

Forms

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