June, 2023: | View | Testing for Sexually Transmitted Infections - Update |
June, 2023: | View | Testing for Sexually Transmitted Infections - Expansion |
May, 2023: | View | New Testing for Carbapenemase Genes Improves Inpatient Management |
April, 2023: | View | New Fecal Occult Blood Collection Devices |
March, 2023: | View | SARS-CoV-2 EUA Fact Sheets for Providers |
October, 2022: | View | Testing Support for 2022-2023 Respiratory Disease Season |
July, 2022: | View | HIV Antigen/Antibody Screen Test Provides Analyte-Specific Results |
June, 2022: | View | QuantiFeron IGRA Demonstrates Uncertainty Around the Cutoff |
May, 2022: | View | Outsourcing Ova and Parasite Test for Intestinal Parasites |
April, 2022: | View | Medicare Coverage Restriction for Combination Orders of Tumor Antigen CA 15-3 (TC 207) and CA 27.29 (TC 4659) |
March, 2022: | View | Taxonomy Changes in the MALDI-TOF/MS Database |
February 2022: | View | Interpretation of SARS-CoV-2 (COVID-19) PCR Presumptive Positive |
December 2021: | View | Rapid Hospital Group A Strep Test Shortages |
November 2021: | View | Remove race from eGFR Calculation |
November 2021: | View | RAPIDPoint 500e Blood Gas Analyzer |
November 2021: | View | Procalcitonin Testing available in North Hawaii |
November 2021: | View | Procalcitonin Testing Reference |
August 2021: | View | Re-activation of Cryptococcus Antigen Testing |
August 2021: | View | Pooling protocols increase capacity for SARS-CoV-2 (COVID-19) testing at DLS |
May 2021: | View | Suppression of Clostridioides difficile Result in Multiplex GI Panel |
May 2021: | View | Temporary Discontinuation of VerifyNow |
April 2021: | View | Update: Kappa and Lambda Light Chains, Free testing performed in house |
April 2021: | View | Discontinuation of Abbott SARS-CoV-2 (COVID-19) IgG, Qualitative Nucleocapsid Assay |
April 2021: | View | Fecal Lactoferrin Replacing WBC-Stool (Fecal Leukocytes) to Indicate Inflammation in the Bowel |
April 2021: | View | Discontinuation of Hemoccult Fecal Occult Blood Test |
April 2021: | View | Rapid SARS-CoV-2 (COVID-19) also Includes Roche Liat Combo |
April 2021: | View | Performance Characteristics of SARS-CoV-2 (COVID-19) NAAT – Update 1 |
April 2021: | View | Rapid SARS-CoV-2 (COVID-19) Combo NAAT Have Limitations |
April 2021: | View | Updated Albumin / Globulin Ratio Reference Range |
March 2021: | View | Tissue Oncology Testing is available in CARE*Link |
March 2021: | View | Oncology Testing Supports QMC Precision Medicine Program |
March 2021: | View | Discontinuation of In-house Hepatitis B envelope Ag and Ab Testing |
February 2021: | View | Saliva Testing for SARS-CoV-2 (COVID-19) for Non-Medical Purposes |
February 2021: | View | Serology Tests for SARS-CoV-2 (COVID-19) Now Includes Antibody against Spike Protein |
December 2020: | View | DLS Molecular Transport Media for SARS-CoV-2 (COVID-19) Validated for Influenza A/B and RSV at DLS Central Facility |
November 2020: | View | New Molecular Transport Media for SARS-CoV-2 (COVID-19) For Testing at DLS Central Facility |
November 2020: | View | Updated Kappa and Lambda Light Chains, Free |
November 2020: | View | The VDRL Test Performed on CSF will Automatically Reflex to Provide a Titer |
October 2020: | View | Discontinuation of Streptozyme Testing |
September 2020: | View | Antimicrobic Susceptibility Interpretations |
September 2020: | View | Change in Ordering Practice for Outpatient Transfusions |
September 2020: | View | Tests Unavailable for Add-on Requests |
August 2020: | View | Expanded Capacity for SARS-CoV-2 (COVID-19) Testing at DLS Central Facility |
August 2020: | View | Preliminary bacterial identifications are now reported from positive blood culture by MALDI-TOF/MS |
August 2020: | View | Possible False Positive SARS-CoV-2 (COVID-19) NAAT |
August 2020: | View | Universal Transport Media (UTM) Recall |
July 2020: | View | Troponin T Generation 5 STAT Assay |
July 2020: | View | Performance Characteristics of SARS-CoV-2 (COVID-19) PCR |
July 2020: | View | Roche 6800 SARS-CoV-2 (COVID-19) Supply Shortage |
June 2020: | View | Possible False Positive SARS-CoV-2 (COVID-19) PCR |
June 2020: | View | GeneXpert (45-min) SARS-CoV-2 (COVID-19) Test Suspended |
June 2020: | View | Rapid Multiplex Pneumonia Panel Now Available at Central |
May 2020: | View | FDA EUA-approved tests for SARS-CoV-2 (COVID-19) available at DLS includes total antibody |
May 2020: | View | FDA EUA-approved serology tests for SARS-CoV-2 (COVID-19) are available at DLS |
April 2020: | View | Molecular Testing for SARS-CoV-2 (COVID-19) at DLS Central Facility – Update #1 |
April 2020: | View | Molecular Testing for SARS-CoV-2 (COVID-19) at DLS-Guam |
April 2020: | View | Serology tests for SARS-CoV-2 (COVID-19) should be used with caution, and NOT for diagnosis |
April 2020: | View | Performance Characteristics of SARS-CoV-2 (COVID-19) PCR |
March 2020: | View | Limitations of Rapid Serology Tests for SARS-CoV-2 (COVID-19) |
March 2020: | View | Adding Hydrocodone to the 810M Urine Drug Screen #2 (Medical) Panel |
February 2020: | View | Rapid testing for bacterial and viral pathogens from the upper respiratory tract |
December 2019: | View | Local testing for procalcitonin is available in Guam beginning December 17, 2019 |
September 2019: | View | Update on Testing for Helicobacter Pylori Infections |
September 2019: | View | Rapid PCR replaces Antigen Testing for Influenza in Guam |
September 2019: | View | Availability of QuantiFERON-TB Gold Plus in Guam and Saipan |
August 2019: | View | Update for Urinalysis Result Reporting |
August 2019: | View | Quantitative CMV testing by qPCR available at DLS Central Laboratory |
August 2019: | View | Clostridioides (Clostridium) difficile screening now available at Queen’s Punchbowl and Queen’s West Oahu laboratories |
August 2019: | View | New Bood Culture Instruments and Bottles |
August 2019: | View | Updated Fluoroquinolone Susceptibility Interpretation |
August 2019: | View | Cefazolin Susceptibilities for Uncomplicated UTI Now Available |
June 2019: | View | HIV Test Algorithm for Laboratory Diagnosis |
June 2019: | View | Genotyping for HIV Drug Resistance now includes Integrase Inhibitors |
June 2019: | View | DLS FHP New Chemistry Analyzer beginning June 13, 2019 |
May 2019: | View | Routine and Special Circumstance use of Throat Culture |
April 2019: | View | Next Generation Hepatitis B Surface Antigen Assay |
March 2019: | View | Pneumococcus Testing by Rapid Antigen Compliments Laboratory Approach to Community-Acquired Pneumonia (CAP) and Meningitis |
March 2019: | View | Rapid PCR Testing for Mycobacterium tuberculosis Available in Guam |
March 2019: | View | Expanded availability of QuantiFERON-TB Gold Plus testing in Hawaii (Revised) |
March 2019: | View | Tissue Oncology Testing will Transition to a Reference Laboratory |
March 2019: | View | DLS Guam New Chemistry Analyzer beginning March 7, 2019 |
February 2019: | View | Reflex test algorithms for Hepatitis B and Hepatitis C |
January 2019: | View | HPV Testing has migrated from a lab developed test to an FDA-approved system |
January 2019: | View | Update to Protime INR reporting range |
January 2019: | View | Aerococcus Susceptibility to Antimicrobics |
December 2018: | View | CKD-EPI eGFR |
November 2018: | View | Pediatric Molecular CT/NG Testing |
October 2018: | View | Macroprolactin and Monomeric Prolactin |
September 2018: | View | Allergen Specific IgE |
July 2018: | View | Urinalysis Testing |
July 2018: | View | Legionella Testing by Urine Antigen & Legionella Culture |
July 2018: | View | Improved tuberculosis assessments with QuantiFERON-TB Gold Plus |
June 2018: | View | Invalid Rapid Streptococcus Group A Tests Will Reflex to Culture |
February 2018: | View | Change in the occult blood test to the Quickvue iFOB (Quidel) |
January 2018: | View | Maternal Serum for Alpha-Fetoprotein (MSAFP ONTD ONLY) |
January 2018: | View | Biotin and FDA Safety Communication |
November 2017: | View | Influenza Antigen and Strep Group A Antigen Inactivation |
September 2017: | View | Stool Culture Specimen Collection Using FecalSwab |
June 2017: | View | Lead Blood Testing 742 |
June 2017: | View | Troponin T |
December 2016: | View | FilmArray Meningitis / Encephalitis Panel - PCR |
December 2016: | View | Liat Rapid Strep A Testing |
December 2016: | View | New Progesterone III assay |
October 2016: | View | Geenius HIV 1/2 Supplemental Assay |
July 2016: | View | Beta-hydroxybutyrate (BHB) |
May 2016: | View | Change In Bacterial Transport Media to BD ESwab Transport |
May 2016: | View | Change In Viral Transport Media to BD Universal Viral Transport |
March 2016: | View | Anti-Phospholipids (APS) |
February 2016: | View | Stool GI Pathogen Panel - PCR |
January 2016: | View | Discontinuation of Clinitest |
July 2015: | View | Estradiol III |
February 2015: | View | Herpes Simplex Virus Type 1 and 2 Real-Time PCR |
October 2014: | View | Response to Ebola Virus Disease (EVD) |
April 2014: | View | Ceruloplasmin |
April 2014: | View | Vitamin D25 Hydroxy |
February 2014: | View | Immature Granulocyte Reference Range Update |
January 2014: | View | Free Triidothyronine (FT3) |
December 2013: | View | RPR screen with reflex to titer and the discontinuation of VDRL on serum specimens |
October 2013: | View | Troponin I Endpoint Dilution |
July 2013: | View | Dilute Russell's Viper Vernom Time (DRVVT) |
June 2013: | View | Urine Oxycodone Screen |
June 2013: | View | Platelet Count Reference Range Change (effective 6/17/2013) |
April 2013: | View | Thyroglobulin, Thyroglobulin Antibody and Thyroid Peroxidase Antibody |
December 2012: | View | Beta-2 Microglobulin and C-Peptide |
November 2012: | View | Vaginitis Panel by DNA Direct Probe |
November 2012: | View | Stool culture with Escherichia coli Shiga Toxin 1 & 2 detection |
November 2012: | View | Clostridium difficile GDH/Toxin EIA testing with Reflex to Nucleic Acid |
November 2012: | View | New Hematology System Implementation |
May 2012: | View | Troponin I |
May 2012: | View | B-Natriuretic Peptide(BNP) |
March 2012: | View | Molecular viral load testing for HCV, HIV-1 and HBV |
March 2012: | View | CA19-9 |
December 2011: | View | Anti-cyclic citrullinated peptide (Anti-CCP) |
September 2011: | View | non-HDL Cholesterol |
June 2011: | View | Partial Thromboplastin Time (PTT) Ratio Reporting Discontinued |
June 2011: | View | Testosterone II |
April 2011: | View | Cystatin C |
December 2010: | View | Vitamin D, 25 Hydroxy, Total |
December 2010: | View | Estradiol, Progesterone, Homocysteine, AFP Non-Maternal, and Intact PTH tests |
September 2010: | View | Update on PFA testing |
September 2010: | View | Ferritin Reference Range Adjustment |
August 2010: | View | Hemoglobin A1c and Estimated Average Glucose(eAG) |
July 2010: | View | HCG Beta Quantitative and Qualitative |
May 2010: | View | Monoclonal Protein Expanded Panel – Serum |
May 2010: | View | Herpes Simples Virus (HSV-1 and HSV-2) |
Apr 2010: | View | Platelet Function Assay and Discontinuation of Bleeding Time |
Mar 2010: | View | Laboratory Automation System Updates |
Dec 2009: | View | Laboratory Automation System, Phase III (12/31/09) |
Dec 2009: | View | Laboratory Automation System, Phase II (12/17/09) |
Dec 2009: | View | Laboratory Automation System (12/10/09) |
Nov 2009: | View | Rapid Molecular Methicillin-Resistant Staphylococcus aureus (MRSA) Screen, Nasal |
Nov 2009: | View | Herpes Simplex Virus Type 1 and 2 Real-Time PCR (Qualitative) |
April 2009: | View | Swine Flu |
Nov 2005: | View | Prenatal Testing: Quadruple Screen |
Mar 2005: | View | Hepatitis B Virus DNA by Real-Time TaqMan Quantitative PCR |
Feb 2005: | View | Estimated Glomerular Filtration Rate |
May 2003: | View | C-reactive Protein (High Sensitivity) - Update |
Nov 2002: | View | B-Natriuretic Peptide (BNP) Testing |
Apr 2002: | View | Antibiotic Susceptibility of Group B Streptococcus Isolated in Hawaii |
Oct 2001: | View | Cardiac Injury Markers |
Dec 2000: | View | Fetal Fibronectin |
Dec 1999: | View | Hemoglobin A1c and Glycated Hemoglobins |
Apr 1999: | View | Homocysteine |
Dec 1996: | View | Allergen Specific IgE |

Technical Bulletins