D Tests

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D-Dimers

 

  • Test Name: D-Dimers
  • Laboratory: Haematology
  • Specimen Type: Trisodium Citrate
  • Specimen Container: Blue
  • Specimen Volume: 3mls
  • Specimen Requirements: Inadequately filled tubes cannot be used.
  • Other details: Can be performed on the same bottle as Coag screen
  • Frequency of analysis/ assay: Daily
  • Turnaround Time: Routine 1 working day. Urgent <2 hours
  • Phone alert limits: N/A
  • Preanalytical stability at room temp: Specimens should ideally be analysed within 4 hours of collection. Please send to the laboratory ASAP

 

DEAFF test for Cytomegalovirus (CMV)

  • Test Name: DEAFF test for Cytomegalovirus (CMV)
  • Laboratory: Serology External
  • Specimen Type: Urine
  • Specimen Container: Sterile universal container.
  • Specimen Volume: At least 2ml
  • Specimen Requirements: N/A
  • Other details: N/A
  • Frequency of analysis/ assay: Referred to external test site
  • Turnaround Time: 5-7 days
  • Phone alert limits:N/A
  • Preanalytical stability at room temp: N/A

 

Dengue fever

  • Test Name: Dengue fever
  • Laboratory: Serology External
  • Specimen Type: Clotted Blood Specimen
  • Specimen Container: Yellow, white (paediatric).
  • Specimen Volume: 4ml clotted blood (1.5ml paediatric).
  • Specimen Requirements: N/A
  • Other details: N/A
  • Frequency of analysis/ assay: Referred to external test site
  • Turnaround Time: 7-10 days
  • Phone alert limits:N/A
  • Preanalytical stability at room temp: N/A

 

Deoxycortisol steroids

  • Test Name: Deoxycortisol steroids
  • Laboratory: Biochemistry Referred Test
  • Specimen Type: Serum or EDTA plasma
  • Specimen Container: Yellow or Purple
  • Specimen Volume: 4mls
  • Specimen Requirements: Send to Laboratory straight away to be separated and frozen
  • Other details: Send separate request form and sample
  • Frequency of analysis/ assay:
  • Turnaround Time: 3 weeks
  • Phone alert limits: N/A
  • Preanalytical stability at room temp:

Dermatophytes see Fungal infections - superficial

 

DHEA (Dehydroepiandrosterone)

  • Test Name: DHEA (Dehydroepiandrosterone)
  • Laboratory: Biochemistry Referred Test
  • Specimen Type: Serum or Lithium heparin plasma
  • Specimen Container: Yellow or Green
  • Specimen Volume: 4mls
  • Specimen Requirements: N/A
  • Other details: Send a separate request form and sample.
  • Frequency of analysis/ assay:
  • Turnaround Time: 3 weeks
  • Phone alert limits: N/A
  • Preanalytical stability at room temp: N/A

 

DHEAS (Dehydroepiandrosterone Sulphate)

  • Test Name: DHEAS (Dehydroepiandrosterone sulphate)
  • Laboratory: Biochemistry Referred Test
  • Specimen Type: Serum or EDTA plasma
  • Specimen Container: Yellow or Purple
  • Specimen Volume: 4mls
  • Specimen Requirements: N/A
  • Other details: Send a separate request form and sample
  • Frequency of analysis/ assay:
  • Turnaround Time: 3 weeks
  • Phone alert limits: N/A
  • Preanalytical stability at room temp: N/A

 

DHT (Dihydrotestosterone)

  • Test Name: DHT (Dihydrotestosterone)
  • Laboratory: Biochemistry Referred Test
  • Specimen Type: Serum or Lithium Heparin Plasma
  • Specimen Container: Yellow, Green
  • Specimen Volume: 4mls
  • Specimen Requirements: N/A
  • Other details: Send a separate request form and sample
  • Frequency of analysis/ assay:
  • Turnaround Time: 3 weeks
  • Phone alert limits: N/A
  • Preanalytical stability at room temp: N/A

 

Digoxin

  • Test Name: Digoxin
  • Laboratory: Biochemistry
  • Specimen Type: Serum, Plasma
  • Specimen Container: Yellow, Green fOR WRH in house samples only.
  • Specimen Volume: 4mls
  • Specimen Requirements: Specimen should be taken at least 6 hours after the last oral dose.
  • Other details: N/A
  • Frequency of analysis/ assay: Daily
  • Turnaround Time: Routine - 1 working day Urgent < 3 hours
  • Phone alert limits: >2.56 mmol/L
  • Preanalytical stability at room temp: N/A

 

Diphtheria

  • Test Name: Diphtheria
  • Laboratory: Microbiology/ Serology External
  • Specimen Type: Throat swab, clotted blood
  • Specimen Container: Amies swab, clotted blood bottle (yellow), (white paediatric).
  • Specimen Volume: 4ml clotted blood (1.5ml paediatric).
  • Specimen Requirements: N/A
  • Other details: N/A
  • Frequency of analysis/ assay: Serology referred to external test site.
  • Turnaround Time: 2-4 days for culture 10-14 days for serology
  • Phone alert limits:N/A
  • Preanalytical stability at room temp: N/A

Direct Coombs Test

  • Test Name: Direct Coombs Test
  • Laboratory: Blood Transfusion
  • Specimen Type: EDTA
  • Specimen Container: Pink
  • Specimen Volume: 6ml
  • Specimen Requirements:
  • Other details: A Direct Coombs test indicates if a patient's cells are coated in vivo with either immunoglobulin and/or complement. It is an essential test in the investigation of haemolysis.
  • Frequency of analysis/ assay: Routine: Daily Urgent: As requested
  • Turnaround Time: Routine: 1 working day Urgent: <4 hours
  • Phone alert limits:
  • Preanalytical stability at room temp:

 

DNA Analysis

  • Test Name: DNA Analysis
  • Laboratory: Misc External Referral
  • Specimen Type: EDTA
  • Specimen Container: Purple
  • Specimen Volume:
  • Specimen Requirements:
  • Other details:
  • Frequency of analysis/ assay:
  • Turnaround Time:
  • Phone alert limits:
  • Preanalytical stability at room temp:

 

Drug Screen -Blood

  • Test Name: Drug Screen - Blood (Tricyclics, Benzodiazepines, Barbiturates, Paracetamol and Salicyclate)
  • Laboratory: Biochemistry Referred Test
  • Specimen Type: Serum
  • Specimen Container: Yellow
  • Specimen Volume: 4mls
  • Specimen Requirements:
  • Other details: If blood alcohol is required please send a separate fluoride oxalate sample (grey top). Note: These results are not suitable for medico-legal purposes.
  • Frequency of analysis/ assay:
  • Turnaround Time: 3 weeks
  • Phone alert limits: N/A
  • Preanalytical stability at room temp: N/A

Drug Screen - Urine

  • Test Name: Drug Screen - Urine (Benzodiazepines, Barbiturates, Opiates, Cocaine, Propoxyphene, Cannabinoids,
  • Laboratory: Biochemistry Referred Test
  • Specimen Type: Urine
  • Specimen Container: Sarstedt Urine Z bottle (yellow cap)
  • Specimen Volume: 3.2 mls
  • Specimen Requirements: Boric acid container (red top) unsuitable.
  • Other details: Note: These results are not suitable for medico-legal purposes.
  • Frequency of analysis/ assay:
  • Turnaround Time: 3 weeks
  • Phone alert limits: N/A
  • Preanalytical stability at room temp: N/A