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A Descriptive Study: Evaluation of Delayed Laboratory Testing in Emergency Room Kurniawan, Linny Luciana; Dyah Indrasari, Nuri; Solin, Ro Shinta Christina
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol. 31 No. 1 (2024)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v31i1.2258

Abstract

          Precision, accuracy, and short turnaround time (TAT) are important to improve the quality and effectiveness of laboratory services in the Emergency Room (ER). Several studies reported an average of 60% the ratio of anticoagulant to sample is not appropriate, lysis, and clotted samples occurred in the pre-analytical part. This part consisted of the request/registration of laboratory tests, patient preparation, specimen collection, and transportation to the central laboratory. The aim of this research is to evaluate the cause of the long TAT for laboratory research so as to obtain problem solving based on the target. This observational study was conducted in 2021 at the ER laboratory outlet. Observations were made started from the workload carried out by the laboratory technician, sample registration, and data collection from the Laboratory Information System (LIS). The study obtained 14.709 samples from the LIS at the Clinical Pathology Department, Cipto Mangunkusumo Hospital. The highest sample rejection rate was from the ER laboratory outlet due to specimen lysis (2.79%). The average time required for re-collecting specimens was around 2-2.5 hours. This rejection was below the minimum quality standards based on the International Federation of Clinical Chemistry (IFCC). Other problems include the limited number of medical laboratory experts compared to the workload also inefficient Computerized Physician Order Entry (CPOE) registration methods. The main problem of delayed laboratory testing in the emergency department is the pre-analytical part including sample registration and rejection specimens. That rejection mostly comes from lysis specimens, which caused invalid laboratory result.
Transient Hepatitis B Antigenemia After Vaccination in Pediatric Patient Solin, Ro Shinta Christina; Bahasoan, Yusuf
INDONESIAN JOURNAL OF CLINICAL PATHOLOGY AND MEDICAL LABORATORY Vol. 31 No. 2 (2025)
Publisher : Indonesian Association of Clinical Pathologist and Medical laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24293/ijcpml.v31i2.2112

Abstract

The hepatitis B surface antigen (HBsAg) test is a perioperative examination used for hepatitis B screening to prevent and control bloodborne infections. The interpretation of HBsAg results in post-vaccination cases requiring vigilance. A 2-month-old pediatric patient was referred to the hospital for colostomy surgery. The patient undergoes routine screening for surgery, including screening for hepatitis B. The laboratory test obtained reactive HBsAg results using the Chemiluminescent Microparticle Immunoassay (CMIA) method. The HBsAg confirmatory testing was done, and reactive results were obtained. Patients are vaccinated against hepatitis B at 0 and 2 months. On the seventeenth day after the initial assessment, a second examination was conducted, and the results were negative for HBsAg, anti-HBs, total anti-HBc, and anti-HBe. Hepatitis B surface antigenemia may occur after vaccination in pediatric patients. Increasing patient and hospital staff awareness of this phenomenon aids in the reduction of unnecessary medication or therapy.