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Glossary of abbreviations

The abbreviations used in this manual include names of tests, conditions, reagents, and techniques, and are in accordance with current use and accepted recommendations.


ACD Acid citrate dextrose
ACE Angiotensin converting enzyme
ACT Activated clotting time
ACTH Adrenocorticotrophic hormone
ADH Antidiuretic hormone
ADP Adenosine diphosphate
AFB Acid fast bacilli
AIDS Acquired immunodeficiency syndrome
ALA 5-aminolaevulinate
ALL Acute lymphoblastic leukaemia
ALT Alanine aminotransferase
ALP Alkaline phosphatase
AMP Adenosine monophosphate
ANA Antinuclear antibody
ANCA Antineutrophil cytoplasmic antibody
Anti-HBc Antibody to hepatitis B core antigen
Anti-HBe Antibody to hepatitis B e antigen
Anti-HBs Antibody to hepatitis B surface antigen
Anti-HCV Antibody to hepatitis C virus
APC Activated protein C
APTT Activated partial thromboplastin time
ASOT Antistreptolysin O titre
AST Aspartate aminotransferase
BCG Bacille Calmette-Guérin
C3 Third component of complement
C4 Fourth component of complement
Ca Calcium
CA Carbohydrate antigen (tumour markers)
CBA Collagen binding assay (von Willebrand factor)
CD Cluster of differentiation
CDC Centre for Disease Control
CEA Carcinoembryonic antigen
CFT Complement fixation test
CGD Chronic granulomatous disease
CH50/CH100 Total haemolytic complement activity
CIE Counter immunoelectrophoresis
CK Creatine kinase
Cl Chloride
CMV Cytomegalovirus
CNS Central nervous system
ConA Concanavalin A
CREST Calcinosis, Raynauds phenomenon, Esophageal hypomotility, Sclerodactyly and Telangiectases
CRP C-reactive protein
CSF Cerebrospinal fluid
CVS Chorionic villus sampling
DDAVP Desmopressin acetate; 1-desamino-8-D-arginine vasopressin
DFA Direct fluorescent antibody technique
DHEA Dehydroepiandrosterone
DHEAS Dehydroepiandrosterone sulphate
DIC Disseminated intravascular coagulation
DNA Deoxyribonucleic acid
EBV Epstein Barr virus
EBNA Epstein Barr nuclear antigen
ECP Eosinophil cationic protein
EDTA Ethylene diamine tetra-acetic acid
EIA Enzyme immunoassay
EM Electron microscopy
EPG Electrophoretogram (electrophoresis)
EPX Eosinophil protein X
EPO Erythropoietin
ESR Erythrocyte sedimentation rate
FAB French, American, British
FBC Full blood count , full blood examination, complete blood count
FDP Fibrin/fibrinogen degradation products
FiO2 Fractional concentration of inspired oxygen
FITC Fluorescein isothiocyanate
FNAB Fine needle aspiration biopsy
FS Frozen section
FSH Follicle stimulating hormone
FT3 Free triiodothyronine (T3)
FT3I Free T3 index
FT4 Free thyroxine (T4)
FT4I Free T4 index
FTA-ABS Fluorescent treponemal antibody absorption test
GC Gas chromatography
GCMS Gas chromatography mass spectrometry
G-CSF Granulocyte colony stimulating factor
G-6-PD Glucose-6-phosphate dehydrogenase
GGT Gamma glutamyl transferase (transpeptidase)
GM-CSF Granulocyte macrophage colony stimulating factor
GN Glomerulonephritis
GST Glutathione S-transferase
GTT Glucose tolerance test
HAI Haemagglutination inhibition
HAV Hepatitis A virus
Hb Haemoglobin
HbA1c Glycated haemoglobin
HbA2 Haemoglobin A2
HbF Haemoglobin F, fetal haemoglobin
HbS Sickle haemoglobin, haemoglobin S
HBeAg Hepatitis B e antigen
HBsAg Hepatitis B surface antigen
HBV Hepatitis B virus
HBV DNA-p Hepatitis B virus DNA polymerase
hCG Human chorionic gonadotrophin
HCl Hydrochloric acid
HCO3 Bicarbonate
Hct Haematocrit, packed cell volume
HCV Hepatitis C virus
HDL High density lipoprotein
HDV Hepatitis D virus
HEMPAS Hereditary erythroblast multinuclearity with positive acidified serum test
HEV Hepatitis E virus
hGH Human growth hormone
HGV Hepatitis G virus
HIAA 5-Hydroxyindole acetate
HIT Heparin-induced thrombocytopenia
HIV Human immunodeficiency virus
HLA Human leucocyte antigen
HMGCoA 3-Hydroxy-3-methylglutaryl coenzyme A
HMMA 4-hydroxy-3-methoxymandelate
HOCM Hypertrophic obstructive cardiomyopathy
HPLC High performance liquid chromatography
HPV Human papillomavirus
HSV Herpes simplex virus
HTLV Human T cell lymphotropic virus
HVA Homovanillate
HZV Herpes zoster virus (varicella zoster)
ICCS Intercellular cement substance
ID Immunodiffusion
IDDM Insulin dependent diabetes mellitus
IDL Intermediate density lipoprotein
IEF Isoelectric focussing
IEP Immunoelectrophoresis
IF Immunofluorescence
IFA Indirect fluorescent antibody technique
IFE Immunofixation electrophoresis
Ig Immunoglobulin
IGF Insulin-like growth factor
IH Immunohistology
IHA Indirect haemagglutination
IM Infectious mononucleosis
IMI Intramuscular injection
INR International normalised ratio
ISE Ion selective electrode
ITP Immune thrombocytopenic purpura
IV Intravenous
K Potassium
kg Kilogram
kPa Kilopascal
LA Latex agglutination
LD Lactate dehydrogenase
LDL Low density lipoprotein
LGV Lymphogranuloma venereum
LH Luteinising hormone
LKM Liver kidney microsomal antibodies
LM Light microscopy
LMWH Low molecular weight heparin
MAIPA Monoclonal antibody immobilisation of platelet antigen
MBC Minimum bactericidal concentration
MCF Median corpuscular fragility
MCH Mean cell haemoglobin
MCHC Mean cell haemoglobin concentration
MCV Mean cell volume
MEN Multiple endocrine neoplasia
MGUS Monoclonal gammopathy of unknown significance
MHMA 3-methoxy-4-hydroxymandelate
MIC Minimum inhibitory concentration
MOM Multiples of median
MSA Mammary specific antigen
Na Sodium
NADPH Nicotinamide adenine dinucleotide phosphate, reduced
NAP Neutrophil alkaline phosphatase
NK Natural killer cells
NSAID Nonsteroidal anti-inflammatory drugs
PAI Plasminogen activator inhibitor
PAN Polyarteritis nodosa
PBC Primary biliary cirrhosis
PCI Prothrombin consumption index
PCR Polymerase chain reaction
pCO2 Partial pressure of carbon dioxide (CO2)
PCT Porphyria cutanea tarda
PCV Packed cell volume
PF3 Platelet factor 3
PHA Phytohaemagglutinin
PID Pelvic inflammatory disease
PIE Pulmonary infiltration with eosinophilia
PKU Phenylketonuria
PNH Paroxysmal nocturnal haemoglobinuria
pO2 Partial pressure of oxygen (O2)
p50 O2 Partial pressure of O2 at which haemoglobin is 50% saturated
PPD Purified protein derivative
PR Prothrombin ratio
PSA Prostate specific antigen
PT Prothrombin time
PTH Parathyroid hormone
PTHrP Parathyroid hormone related protein
PUO Pyrexia of unknown origin
RAST Radioallergosorbent test
RCC Red cell count
RCoF Ristocetin cofactor
RDS Respiratory distress syndrome
RDW Red cell distribution width
REAL Revised European-American lymphoma classification
RFLP Restriction fragment length polymorphism
Rh Rhesus (blood group)
RIA Radioimmunoassay
RNA Ribonucleic acid
RPR Rapid plasma reagin test
RSV Respiratory syncytial virus
SBE Subacute bacterial endocarditis
SCID Severe combined immunodeficiency
SDS Sodium dodecyl sulphate
SHBG Sex hormone binding globulin
SIADH Syndrome of inappropriate anti-diuretic hormone release
SLE Systemic lupus erythematosus
sp Species
SSPE Subacute sclerosing panencephalitis
STD Sexually transmitted diseases
T3 Triiodothyronine
T4 Thyroxine (tetraiodothyronine)
TBG Thyroxine binding globulin
TGFb Transforming growth factor b
TIBC Total iron binding capacity
TLC Thin layer chromatography
TNF Tumour necrosis factor
TORCH Toxoplasmosis, rubella cytomegalovirus, herpes
TPHA Treponema pallidum haemagglutination
TPI Treponema pallidum immobilisation
TRH Thyrotropin releasing hormone
TSH Thyroid stimulating hormone
var Variety
VCA Viral capsid antigen (EBV)
VDRL Venereal Disease Research Laboratory test
VIP Vasoactive intestinal polypeptide
VLDL Very low density lipoprotein
vWd von Willebrands disease
vWf von Willebrand factor
vWfAg von Willebrand factor antigen
WAGR Wilms tumour, aniridia, genito-urinary malformations, mental retardation
WCC white cell count, leucocyte count
XDP Cross linked fibrin degradation products, D-dimer

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