Evaluation of optimal urine screening and confirmation cut-off values for opiates, at a national reference laboratory


Karakukcu C., Ciraci M. Z. , Kocer D., Faydali M. Y. , SERDAR M. A.

TURKISH JOURNAL OF BIOCHEMISTRY-TURK BIYOKIMYA DERGISI, vol.46, no.5, pp.593-602, 2021 (Journal Indexed in SCI) identifier

  • Publication Type: Article / Article
  • Volume: 46 Issue: 5
  • Publication Date: 2021
  • Doi Number: 10.1515/tjb-2020-0614
  • Title of Journal : TURKISH JOURNAL OF BIOCHEMISTRY-TURK BIYOKIMYA DERGISI
  • Page Numbers: pp.593-602
  • Keywords: 6-MAM, codeine, confirmation, cut-off, immunoassay, LC-MS/MS, morphine, opiate, screening, DRUG, IMMUNOASSAYS, EXCRETION, MORPHINE, CODEINE, ABUSE, 6-ACETYLMORPHINE, PERFORMANCE, RATES

Abstract

Objectives: To obtain optimal immunoassay screening and LC-MS/MS confirmation cut-offs for opiate group tests to reduce false positive (FP) and false negative (FN) rates.