Medical Review Officer


Medical Review Officer (MRO) is a registered medical practitioner who is responsible for receiving and reviewing laboratory results generated by an employer’s drug-testing programme and evaluating medical explanations for certain drug test results.

An MRO acts as an independent and impartial “gatekeeper” and advocates for the accuracy and integrity of the drug testing process. An MRO provides quality assurances review of the drug testing process for the specimens under your purview, determine if there is a legitimate medical explanation for laboratory-confirmed positive, adulterated, substituted and invalid drug test results, ensure the timely flow of test result and other information to employers and protect the confidentiality of the drug testing information.

Adapted from Transportation.gov.

The following are the list of certified Medical Review Officer.

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NameStateMRO Expiry Date
SURENDRAN PETER RAJARAM JOHOR 15 Mar 2023
SYAFINAZ MOHAMED ANWAR SELANGOR 31 Mar 2024
SYAHIRAN BIN SARIFF Terengganu 31 Oct 2024
SYDI AHMAD FIRDAUS BIN ROSLAN TERENGGANU 30 Apr 2024
TAN CHONG PEK Kuala Lumpur 28 Feb 2025
TAN KIM CHUAN SABAH 31 Oct 2022
TANIA ANAK PETER JANG Sarawak 31 Mar 2025
TEO CHUN LIP SABAH 31 Oct 2022
TEOH TZE CHIN Sabah 15 Mar 2023
TIOW SHIREEN or CHANG SHIREEN Negeri Sembilan 31 Oct 2024
TUAN MOHD FAIZ HAMDI BIN TUAN IBRAHIM TERENGGANU 31 Mar 2024
VIKNESWARAN THARUMALINGAM Sarawak 31 Jul 2023
VINOD NAIR A/L M.K.P. NAIR JOHOR 31 Mar 2024
WARREN JAKE FUI FOO SABAH 31 Oct 2022
WONG PUI LING Selangor 30 Apr 2024
WONG YEE TING Sarawak 31 Aug 2024
YAN CHYUAN SOON Kuala Lumpur 31 Mar 2024
YASRIZA BIN YAHAYA pahang 31 Aug 2024
YIN KYI OO 31 Oct 2022
YUSLINA BINTI MOHAMED YUSOF Johor Bharu 31 Jul 2025
YUSOF BIN MOKHTAR KUALA LUMPUR 31 Mar 2024
ZAFARUL ASYRAF BIN SUFFIAN WEE Kedah 31 Oct 2022
ZAHHAR ANWAR BIN ZAINUDIN KUALA LUMPUR 31 Oct 2022
ZAIDAH BT MAHADI Johor 28 Feb 2025
ZULKARNAIN BIN ABDUL MAJID TERENGGANU 31 Oct 2022
ZULQARNAIN RAMLI Terengganu 31 Mar 2024