Common test name Primary test name Specimen Container Referred test Patient cost Comments/Instructions
Dark-Field Microscopy, for Microscopic Detection of Treponemes Syphilis Serology Blood  Serum Separator Tube (SST)  No  No   
DAT Direct Antiglobulin Test (Coombs Test) Blood  EDTA Tube 4 ml  No  No   
DCT Direct Antiglobulin Test (Coombs Test) Blood  EDTA Tube 4 ml  No  No   
D-Dimer D-Dimer Blood  Sodium citrate Tube 2.7 ml  No  No  Sodium citrate tubes must be filled to the line. Venepuncture  
Decubitus ulcer swab, Microscopy and culture Ulcer Swab, Microscopy and culture Swab  Transswab- swab in transport medium  No  No  Tissue biopsy preferred for mycobacterial culture. A separate swab (Green top Virocult) is required ... (more)  
Dehydroepiandrosterone Sulphate Dehydroepiandrosterone Sulphate Blood  Serum Separator Tube (SST)  No  No   
Delta F508 gene Cystic Fibrosis testing Blood  EDTA Tube 4 ml  Yes  No   
Delta Virus Antigen and antibodies Delta Virus Antigen and antibodies Blood  Serum Separator Tube (SST)  Yes  No   
Dengue Fever antibodies Flavivirus antibodies Blood  Serum Separator Tube (SST)  Yes  No  If blood is drawn during the acute phase of the illlness please send convalescent sample 2 weeks lat... (more)  
Dengue Virus PCR Flavivirus PCR Blood  Serum Separator Tube (SST)  Yes  Yes  Clinical details essential. Tests can also performed on CSF. Venepuncture.  
Deoxycortisol 11-Deoxycortisol Blood  Serum Separator Tube (SST)  Yes  No   
De-Oxy-Pyridinoline Cross-links Pyridinium Cross-links Urine  Urine/Specimen container 50ml  Yes  No   
Dermatophyte, Microscopy and culture - Hair Hair, for Microbiological Investigation Hair  Urine/Specimen container 50ml  No  No   
Dermatophyte, Microscopy and culture - Nail Nail Clippings, for Dermatophyte Investigation- Nail Nail clippings  Urine/Specimen container 50ml  No  No   
Dermatophyte, Microscopy and culture - Skin Skin Scrapings, for Dermatophyte Investigation Skin scrapings  Urine/Specimen container 50ml  No  No   
Dexamethasone Suppression Test Dexamethasone Suppression Test Blood  Serum Separator Tube (SST)  No  No  Dexamethasone (1mg) is prescribed by the referring clinican. Venepuncture. Collected 8 hours after ... (more)  
DHEAS (Dehydroepiandrosterone Sulphate) Dehydroepiandrosterone Sulphate Blood  Serum Separator Tube (SST)  No  No   
DHEAS04 Dehydroepiandrosterone Sulphate Blood  Serum Separator Tube (SST)  No  No   
DHT Dihydrotestosterone Blood  Serum Separator Tube (SST)  Yes  No   
Diabetes Elimination Test Glucose Challenge Test Blood  Fluoride oxalate Tube 2 ml  No  No  This test is only performed on pregnant women. Blood glucose levels should be checked using a glucos... (more)  
Diabetic ulcer swab, Microscopy and culture Ulcer Swab, Microscopy and culture Swab  Transswab- swab in transport medium  No  No  Tissue biopsy preferred for mycobacterial culture. A separate swab (Green top Virocult) is required ... (more)  
Diazepam Diazepam   N/A  No  No   
Dibucaine number Cholinesterase, Serum Blood  Serum Separator Tube (SST)  Yes  No   
DIC Disseminated Intravascular Coagulation (Screen) Whole Blood  Sodium citrate Tube 2.7 ml  No  No  Deliver in less than 30 minutes Clean, Untraumatic Venepuncture  
diff Differential White Cell Count Blood  EDTA Tube 4 ml  No  No   
Differential White Cell Count Differential White Cell Count Blood  EDTA Tube 4 ml  No  No   
Diflucan Fluconazole Blood  EDTA Tube 4 ml  Yes  No  Trough level - collect at least 6-8 hours after last dose. Venepuncture. Date, time and dose of las... (more)  
Digoxin Digoxin Blood  Serum Separator Tube (SST)  No  No  Trough level - collect at least 6-8 hours after last dose. Venepuncture. Date, time and dose of l... (more)  
Dihydrotestosterone Dihydrotestosterone Blood  Serum Separator Tube (SST)  Yes  No   
Dihydroxy Vitamin D 1,25-Dihydroxy Vitamin D Blood  Serum Separator Tube (SST)  Yes  No  Place on ice and deliver to laboratory WITHIN 4hrs of collection. Venepuncture.  
Dilantin Phenytoin Blood  Serum Separator Tube (SST)  No  No  Trough level - collect at least 6-8 hours after last dose. Venepuncture. Date, time and dose of la... (more)  
Diphenylhydantoin Phenytoin Blood  Serum Separator Tube (SST)  No  No  Trough level - collect at least 6-8 hours after last dose. Venepuncture. Date, time and dose of la... (more)  
Diptheria Antibodies Diptheria Antibodies Blood  Serum Separator Tube (SST)  Yes  No   
Diptheria toxoid antibodies Diptheria Antibodies Blood  Serum Separator Tube (SST)  Yes  No   
Direct Antiglobulin Test (Coombs Test) Direct Antiglobulin Test (Coombs Test) Blood  EDTA Tube 4 ml  No  No   
Direct Bilirubin Direct Bilirubin Blood  Serum Separator Tube (SST)  No  No  Protect specimen from light if it will not reach the laboratory for more than 6 hours. Venepuncture.  
Direct Coombs test Direct Antiglobulin Test (Coombs Test) Blood  EDTA Tube 4 ml  No  No   
Dirofilaria immitis antibodies Heart Worm (Dog) antibodies Blood  Serum Separator Tube (SST)  Yes  No   
Disaccharidase Levels Disaccharide enzymes Biopsy Tissue  **Sterile container  Yes  No  Specimen must arrive Fresh. Do Not Fix. Wrap in PARAFILM and FREEZE. Collected by referring Physicia... (more)  
Disaccharide enzymes Disaccharide enzymes Biopsy Tissue  **Sterile container  Yes  No  Specimen must arrive Fresh. Do Not Fix. Wrap in PARAFILM and FREEZE. Collected by referring Physicia... (more)  
Disopyramide Disopyramide Blood  Serum Separator Tube (SST)  Yes  No  Trough level - collect at least 6-8 hours after last dose. Venepuncture. Date and Time of last dos... (more)  
Disseminated Intravascular Coagulation (Screen) Disseminated Intravascular Coagulation (Screen) Whole Blood  Sodium citrate Tube 2.7 ml  No  No  Deliver in less than 30 minutes Clean, Untraumatic Venepuncture  
Diuretic Screen Diuretic Screen Urine  Urine/Specimen container 50ml  Yes  No   
DNA antibodies Anti-DNA antibodies Blood  Serum Separator Tube (SST)  No  No   
DNase B antibodies ASOT, (Anti-Streptolysin O Titre) Blood  Serum Separator Tube (SST)  Yes  No   
Dog Heart Worm antibodies Heart Worm (Dog) antibodies Blood  Serum Separator Tube (SST)  Yes  No   
Dopamine, Urine Catecholamines, Urine Timed Urine  Urine container Acid 24 hour  No  No   
Double Stranded DNA antibodies Anti-DNA antibodies Blood  Serum Separator Tube (SST)  No  No   
Down's Syndrome Screen Maternal Serum Screening Blood  Serum Separator Tube (SST)  Yes  No  Note clearly on Request Form; - Gestional age (indicate if this is from L.K.M.P. or ultrasound) - ... (more)  
DPD Pyridinium Cross-links Urine  Urine/Specimen container 50ml  Yes  No   
DPD Cross-links Pyridinium Cross-links Urine  Urine/Specimen container 50ml  Yes  No   
DR typing HLA Phenotype (Haematology) Blood  ACD tube  Yes  No   
Drain Fluid, Microscopy and culture Drain Fluid, Microscopy and culture Drain fluid  Sterile container  No  No  Fluid is preferable to swabs. The specimen is collected by hospital staff or clinician  
Drain tip, for Microbiological Investigation Drain tip, for Microbiological Investigation Drain tip or tubing  Sterile container  No  No  Urinary catheter tips will not be processed Collected by referring clinician or hospital staff.  
Drain tube fluid, Microscopy and culture Drain Fluid, Microscopy and culture Drain fluid  Sterile container  No  No  Fluid is preferable to swabs. The specimen is collected by hospital staff or clinician  
Drug Screen, Urine Drug Screen, Urine Urine  Urine/Specimen container 50ml  No  No  All urine drug screens should be supervised. Indicate that the collection was supervised by writing... (more)  
Duchenne Muscular Dystrophy (DMD) Genetic Testing Duchenne Muscular Dystrophy (DMD) Genetic Testing Blood  EDTA Tube 4 ml  Yes  No   
Duodenal aspirate, Investigation for Giardia Duodenal Aspirate, Microscopy and culture Aspirate  Sterile container  No  No  Deliver immediately. The referring clinician or hospital staff collect aspirated fluid  
Duodenal Aspirate, Microscopy and culture Duodenal Aspirate, Microscopy and culture Aspirate  Sterile container  No  No  Deliver immediately. The referring clinician or hospital staff collect aspirated fluid