Laboratory Medicine

The Division of Laboratory Medicine offers a comprehensive range of laboratory tests for the diagnosis, management and prevention of a wide variety of diseases.

For phlebotomy for CGH patients in other SingHealth Institutions, please refer to this list.

Tests Offered

Clinical Laboratories

Clinical Biochemistry

• 24 hour urine test (Albumin, Calcium, Chloride, Creatinine, Phosphate, Potassium, Protein, Sodium, Uric Acid)
• 25 Hydroxyvitamin D
• Adenosine Deaminase, CSF
• Adenosine Deaminase, Others
• Adenosine Deaminase, Pleural Fluid
• Adrenocorticotropic Hormone (ACTH), Plasma
• Albumin / Creatinine Ratio , Urine
• Alphafoeto Protein, serum
• Amikacin, serum (Random, Trough, Peak)
• Ammonia
• Anti-CCP Antibody
• Beta-hCG, Quantitative (serum)
• Blood Gases (arterial, venous, capillary), blood
• C3 Complement, serum
• C4 Complement, serum
• CA 125, serum
• CA 15-3, serum
• CA 19-9, serum
• Calcium Ionic, blood
• Calcium Ionic (circuit, systemic)
• Calcium Total, serum
• Calcium Total (Corrected)
• Carbamazepine, serum
• Carboxyhaemoglobin, blood
• Carcinoembryonic Antigen, serum
• Cortisol, serum (Random, 8am, mid-night, AVS Left, AVS Right, AVS IVC, AVS Right #2)
• C-Peptide, serum
• C-Reactive Protein, serum
• Creatine Kinase, serum
• Creatine Kinase-MB (Mass), serum
• Creatinine Clearance Test
• CSF FEME with AFB Stain, Gram Stain and Indian Ink
• Digoxin, serum
• Drug Screen, Urine
• Estradiol, serum
• Ethanol Screen, serum
• Ferritin, serum
• Fluid FEME (with Gram Stain & AFB)
• Folate, serum
• Follicle Stimulating Hormone, serum
• Gentamicin, serum (Random, Trough, Peak)
• Glucose Tolerance Test (2 Specimens), plasma
• Haptoglobin, Serum
• HBA1c, blood
• Hepatitis A IgG Antibody
• Hepatitis A IgM Antibody
• Hepatitis B Core IgM Antibody
• Hepatitis B Core Total Antibody
• Hepatitis B e Antibody (anti-HBe)
• Hepatitis B e Antigen
• Hepatitis B Surface Antibody (anti-HBs)
• Hepatitis B Surface Antigen (Qualitative)
• Hepatitis C Antibody Screen (EIA)
• HIV Screen
• Insulin, serum
• Iron, serum
• Iron Panel
• Iron Saturation
• Kappa Lambda Free Light Chains, serum
• Ketones, serum
• Lactate, Plain blood
• Lipase, Serum
• Lipid Panel (Fasting, Random)
• Lithium
• Liver Panel (TP/ALB/TBIL/ALP/ALT/AST/GGT), serum
• Luteinizing Hormone, serum
• Magnesium, serum
• Methaemoglobin, quantitative
• Microscopic Examination, urine
• NT-proBNP, serum
• Osmolality (serum, urine)
• Ova/Cysts/Parasites, Microscopy
• Pancreatic Amylase, serum
• Paracetamol, serum
• Phenobarbitone, serum
• Phenytoin, serum
• Phosphate Inorganic, serum
• Prealbumin, Serum
• Procalcitonin, serum
• Prolactin, serum
• Protein/Cre Ratio, urine
• PSA Total, serum
• PSA (Total & Free), serum
• PTH (Intact), Serum
• Renal Panel (U/E/BICARB/GLU/CRE), serum
• Rheumatoid Factor, serum
• Salicylate, serum
• SARS-CoV-2 Ab
• Semen Analysis
• Sex Hormone Binding Globulin
• Stool for Occult Blood
• Synovial Fluid FEME (with Gram Stain & AFB Stain)
• Syphilis TPPA Antibody, blood
• Syphilis VDRL Antibody, Blood
• Testosterone, Total, serum
• Theophylline, serum
• Thyroglobulin Antibodies (TgAb), serum
• Thyroid Panel (FT4/TSH)
• Thyroid Peroxidase Antibodies (TPOAb), serum
• Transferrin, serum
• Triiodothyronine (T3) Free, serum
• Troponin-T
• TSH Receptor Antibodies (TRAb)
• Uric Acid, serum
• Urine Phase Contrast
• Valproic Acid, serum
• Vancomycin, serum (Random, Trough, Peak)
• Vitamin B12, serum

Haematology / Coagulation

• APTT
• Blood Film Report
• D-Dimer Quantitation
• Dengue Virus NS1 Antigen and IgG/IgM Antibody
• ESR
• Fibrinogen
• Full Blood Count
• Haemoglobin H Inclusion bodies
• Malaria Parasite, blood film
• Microfilaria, blood film
• PT & INR
• Thalassaemia Screen
• Thrombin Time

Blood Bank

• Compatibility Test, Crossmatch
• Direct Anti-Human Globulin Test
• Type and Screen-CGH

Molecular Laboratories

Microbiology PCR Services (Commercial Assays)

• Bacteria / Candida Multiplex PCR
• Carbapenemase Screen PCR
• Chlamydia trachomatis/Neisseria gonorrhoeae PCR
• Clostridium difficile PCR
• Meningitis PCR
• MERS Coronavirus PCR
• Pneumonia Multiplex PCR (Viral/Bacterial/Resistance Gene)
• Respiratory Pathogens Multiplex PCR with SARS-CoV-2
• SARS-CoV-2 PCR
• Staphylococcus aureus PCR
• Stool Bacterial Pathogens PCR
• TB PCR (Respiratory samples only)

Microbiology PCR Services (Laboratory Developed Assays)

• Avian Influenza PCR
• Bulkholderia pseudomallei PCR
• Cytomegalovirus PCR
• Cytomegalovirus, Epstein-Barr virus and Toxoplasma gondii Triplex PCR
• Epstein Barr Virus PCR
• Hepatitis B Virus Load
• Hepatitis C Virus Load
• Herpes Virus 1, Herpes Virus 2 and Varicella Zoster Virus Triplex PCR
• HIV-1 Virus Load
• Legionella pneumophila PCR
• Pneumocystis jirovecii PCR
• SARS-CoV-2 PCR

General Microbiology and Molecular Microbiology Laboratories

College of American Pathologists (CAP) Survey Programs

• Bacteriology Survey (D)
• Expanded Bacteriology Survey (DEX)
• Blood culture Survey (BCS)
• Urine Viable Count Survey (MC3)
• Yeast Survey (F1)
• Methicillin-resistant S.aureus Screen Survey (MRS)
• Vancomycin Resistant Enterococci Survey (VRE)
• GC culture Survey (D3)
• Group B Strep Detection Survey (D8)
• Gram Stain Survey (D5)
• Virtual Gram Stain (Basic ) Competency Challenge (VGS1)
• Virtual Gram Stain (Advanced) Competency Challenge (VGS2)
• Vaginitis Screen, Virtual Gram Stain Survey (VS2)
• Limited Mycobacteriology Survey (E1)
• India Ink Survey (IND)
• Fungal Smear Survey (FSM)
• Ticks, Mites, and Other Arthropods Survey (TMO)
• Bacterial Antigen Detection Survey (BAS)
• Cryptococcal Antigen Detection Survey (CRYP)
• Microbiology Bench Tools Competency (MBT)
• Molecular MTB ID & Resistance Detect (MTBR)
• Methicillin-Resistant Staphylococcus aureus Screen, Molecular (MRS2M)
• Clostridium difficile Detection (CDF)
• C. trachomatis and N. gonorrhoeae (HC7)
• Meningitis / Encephalitis Panel (IDME)
• Infectious Disease Respiratory Panel (IDR)
• Campylobacter Survey (CAMP)
• Nucleic Acid Amplification, Viruses (ID1)
• Hepatitis Viral Load (HVL)
• HIV Viral Load (HV2)
• SARS-CoV-2 PCR (COV2)
• Carbapenem-resistant Organisms (CRO)

Royal College of Pathologists of Australia (RCPA) Survey Programs

• Molecular Detection of Gastrointestinal Bacterial Pathogens (MGP)
• Molecular influenza (MAV)
• Molecular Alphavirus / Flavivirus (MAF)
• Molecular Hepatitis B DNA (MHB)
• Molecular Hepatitis C RNA (MHC)
• Molecular HIV RNA (MHIV)

Instand Survey Programs

• Toxoplasma gondii DNA (457)
• Fungal Genome Detection-Pneumocystis jirovecii (560)
• Genome Detection of Coronaviruses (340)
• Virus Genome Detection-HBV (361)
• Virus Genome Detection-HCV (362)
• Molecular Gastrointestinal Pathogens – Bacteria

Quality Control for Molecular Diagnostics (QCMD) Survey Programs

• Toxoplasma gondii DNA EQA (TGDNA)
• Legionella pneumophila DNA EQA (LPDNA)
• Extended-Spectrum β-Lactamases and Carbapenemases EQA (ESBL)
• MERS Coronavirus EQA (MERS)
• Stool PCR (E coli 20)
• SARS-CoV-2 PCR (CVOP)

National Proficiency Testing Programmes (NPT)

• National Proficiency Testing Program for AFB (Ministry of Health, Singapore)
• Legionella PCR (536)

For the past years, the Department has been accredited with the following:

1. College of American Pathologists (CAP)

2. Ministry of Health, Licensing and Accreditation, Health Regulation Division

3. Ministry of Health, HIV Testing Laboratory