A - Z Test List

Test List: D

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

For Reference Ranges related to any specific test, please email refranges@hslpathology.com

Please note this list may not show our full repertoire of tests. If you need further information, please call +44 (0) 20 7307 9400

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D-Dimers (Fibrinogen Degradation Products)

Sample Reqs

C [4]

Special Instructions

[4] Send to the laboratory without delay.

Dengue Fever PCR

Sample Reqs

A or B [9] [14]

Special Instructions

[9] Clinical history must be provided.
[14] Provide details of travel history.

Dengue Virus Serology

Sample Reqs

B [9] [14]

Special Instructions

[9] Clinical history must be provided.
[14] Provide details of travel history.

Deoxypyridinoline (DPD) – Serum

Sample Reqs

B

Deoxypyridinoline (DPD) – Urine

Sample Reqs

EMU

DHEA

Sample Reqs

B

DHEA – Urine (Dehydroepiandrosterone)

Sample Reqs

CU 

DHEA Sulphate

Sample Reqs

B

Diamine Oxidase Activity

Sample Reqs

B

Diazepam (Valium)

Sample Reqs

A

DiGeorge Syndrome (22q11 & 10p14 deletion) – BOBs (5 days) + karyotype (15 days)

Sample Reqs

CVS / AF / A H [9]

Special Instructions

[9] Clinical history must be provided.

DiGeorge Syndrome (22q11 & 10p14) – BOBs only

Sample Reqs

CVS / AF / A [9]

Special Instructions

[9] Clinical history must be provided.

Digoxin

Sample Reqs

B

Dihydropyrimidine Dehydrogenase deficiency (5-FU Toxicity) – common mutation (IVS14+1G>A)

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Dihydrotestosterone

Sample Reqs

B B

Diphtheria Antibodies

Sample Reqs

B

Direct Antiglobulin Test (Coombs) (Handwritten tube label)

Sample Reqs

A [22] [33]

Special Instructions

[22] Must be fresh.
[33] Sample must be labelled by hand with first name, family name and date of birth detailed on sample and form.

DNA (Double Stranded) Antibodies

Sample Reqs

B

DNA (Single Stranded) Antibodies

Sample Reqs

B

DNA Extraction & Storage – 3 years (longer upon request)

Sample Reqs

A [9] [11]

Special Instructions

[9] Clinical history must be provided.
[11] Patient consent required. Consent Form can be found at the back of the TDL Laboratory Guide.

DNA Fragmentation of semen

Sample Reqs

Semen  [1]

Special Instructions

[1] Contact the laboratory for special sample tubes/containers/instructions.

DNA Identity Profile – 15 STR markers

Sample Reqs

A [9] [11]

Special Instructions

[9] Clinical history must be provided.
[11] Patient consent required. Consent Form can be found at the back of the TDL Laboratory Guide.

Dog Components

Sample Reqs

B

Down Syndrome Risk Bloods only (Risk to be calculated by clinician)

Sample Reqs

B

Down Syndrome Risk Profile (2nd trimester) Quad

Sample Reqs

B , DRP form [7] [8]

Special Instructions

[7] Sample should be separated and frozen if sending overnight.
[8] DRP Form required. DRP Form can be found at the back of the guide.

Doxepin Level (Sinequan)

Sample Reqs

A

Duchenne Muscular Dystrophy – deletions / duplications

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Deafness NGS Panel – full sequencing across 101 genes

Sample Reqs

AA [9]

Special Instructions

9 Clinical history must be provided.

Deafness, Non-Syndromic – GJB2 sequencing + GJB6 common deletion

Sample Reqs

A [9]

Special Instructions

9 Clinical history must be provided.

Dent Syndrome – full sequencing CLCN5 + OCRL genes

Sample Reqs

A,A [9]

Special Instructions

9 Clinical history must be provided.

Dentinogenesis/Amelogenesis Imperfecta NGS Panel – full sequencing across 20 genes

Sample Reqs

AA [9]

Diabetes Insipidus NGS Panel – full sequencing AQP2 + AVPR2 genes

Sample Reqs

A,A [9]

Special Instructions

9 Clinical history must be provided.

Diabetes Mellitus, MODY NGS Panel – full sequencing across 13 genes

Sample Reqs

AA [9]

Special Instructions

9 Clinical history must be provided.

Diabetes Mellitus, Monogenic NGS Panel – full sequencing across 51 genes

Sample Reqs

A,A [9]

Special Instructions

9 Clinical history must be provided.

Diabetes Mellitus, Neonatal NGS Panel – full sequencing across 26 genes

Sample Reqs

A,A [9]

Special Instructions

9 Clinical history must be provided.

Diffuse Large B-Cell Lymphoma NGS Panel – full sequencing across 19 genes

Sample Reqs

Requires patient informed consent AA [9]

Special Instructions

9 Clinical history must be provided.

DiGeorge Syndrome (22q11 & 10p14 deletion) – BOBs (5 days) + karyotype (15 days)

Sample Reqs

CVS / AF / AH [9]

Special Instructions

9 Clinical history must be provided.

DiGeorge Syndrome (22q11 & 10p14) – BOBs only

Sample Reqs

CVS / AF / A [9]

Special Instructions

9 Clinical history must be provided.

Dihydropyrimidine Dehydrogenase deficiency (5-FU Toxicity) – common mutation (IVS14+1G>A)

Sample Reqs

A [9]

Special Instructions

9 Clinical history must be provided.

Dilated Cardiomyopathy NGS Panel – full sequencing across 56 genes + deletions/duplications

Sample Reqs

A,A [9]

Special Instructions

9 Clinical history must be provided.

DNA Extraction & Storage – 3 years (longer upon request)

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

DNA Identity Profile – 15 STR markers

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Doyne Honeycomb Retinal Dystrophy – EFEMP1 gene sequencing

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Duchenne Muscular Dystrophy – deletions/duplications only

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Duchenne Muscular Dystrophy – full sequencing DMD1 gene

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

DVT/Pre-travel Screen – see profiles

Sample Reqs

AAB [9]

Special Instructions

9 Clinical history must be provided.

Dwarfism, Endocrine – full sequencing across 18 genes

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

HSL is a progressive partnership between The Doctors Laboratory, Royal Free London NHS Foundation Trust (the Royal Free London) and University College London Hospitals NHS Foundation Trust (UCLH)

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