A - Z Test List

Test List: G

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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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G6PD

Sample Reqs

A

Galactomanan (Aspergillus Antigen)

Sample Reqs

B

Galactose-1-Phosphate Uridyltransferase

Sample Reqs

H [5] [6]

Special Instructions

[5] Do not send sample to the laboratory between Thursday noon & Monday morning. .
[6] Contact the Referrals Department before taking and sending sample to the laboratory.

Gall Stone Analysis

Sample Reqs

STONE

Gamma GT

Sample Reqs

B

Ganglioside GM1, GD1B, GQ1B Abs

Sample Reqs

B

Ganglioside GM1, GD1B, GQ1B Abs

Sample Reqs

PCR 

Gardnerella vaginalis (Thin Prep)

Sample Reqs

TPV 

Gardnerella vaginalis (Urine)

Sample Reqs

FCRU 

Gardnerella vaginalis by PCR

Sample Reqs

FCRU / PCR / TPV

Gastric Parietal Autoantibodies

Sample Reqs

B

Gastrin

Sample Reqs

B (Frozen)

Gaucher Disease – 8 common mutations

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Gentamicin Assay

Sample Reqs

B [4]

Special Instructions

[4] Send to the laboratory without delay.

Giardia Antigen (Fresh Stool)

Sample Reqs

RF [9] [14]

Special Instructions

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

Giardia Serology

Sample Reqs

B

Gliadin Antibodies (IgA + IgG)

Sample Reqs

B

Globulin

Sample Reqs

B

Glomerular Basement Membrane Abs

Sample Reqs

B

Glucagon

Sample Reqs

J [1]

Special Instructions

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

Glucose

Sample Reqs

G

Glucose Tolerance Test

Sample Reqs

G G G G G 5x RU(X)

Glutamic Acid Decarboxylase Antibodies (GAD 65)

Sample Reqs

B

Glutathione (Red Cell)

Sample Reqs

H [5]

Special Instructions

[5] Do not send sample to the laboratory between Thursday noon and Monday morning.

Glutathione Peroxidase

Sample Reqs

H

Glycan Determinants

Sample Reqs

B

Glycosylated HB

Sample Reqs

A

Gonorrhoea (Culture)

Sample Reqs

STM

Gonorrhoea (PCR swab)

Sample Reqs

PCR

Gonorrhoea (Thin Prep)

Sample Reqs

TPV

Gonorrhoea (Urine)

Sample Reqs

FCRU

Group B Strep

Sample Reqs

2 x STM

Growth Hormone (Fasting)

Sample Reqs

B [7] [35]

Special Instructions

[7] Sample should be separated and frozen if sending overnight.
[35] Patient should be fasting and resting for 30 mins before sample taking. Samples need handling urgently.

Gut Hormone Profile

Sample Reqs

A A (Frozen)

Gastric Cancer NGS Panel – full sequencing across 14 genes + deletions/duplications

Sample Reqs

Requires patient informed consent AA [9] [11]

Special Instructions

9 Clinical history must be provided. 11 Patient consent required. Consent Form can be found at the back of this guide.

Gastroenteritis PCR (Viral) Rotavirus, Norovirus (I&II), Astrovirus, Adenovirus (Adeno & Adeno F), Sapovirus

Sample Reqs

Faeces

Gaucher Disease – 8 common mutations

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Gaucher disease mutation analysis

Sample Reqs

A[40]

Special Instructions

40 Informed Consent is required for these tests.

Genetic Reproductive Profile (Male) – see profiles

Sample Reqs

A,H[9]

Special Instructions

9 Clinical history must be provided.

Gilbert Syndrome – common UGT1A1 repeat variation

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Glaucoma NGS Panel – full gene sequencing across 27 genes

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Glomerulosclerosis, Focal Segmental (FSGS) NGS Panel – full sequencing across 7 genes

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Glucocorticoid Deficiency, Familial NGS Panel – full sequencing across 9 genes

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Glucose-6-Phosphate Dehydrogenase (G6PD) Deficiency – full G6PD gene sequencing

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Glycogen Storage Disease NGS Panel – full sequencing across 64 genes + deletions/duplications + mitochondrial DNA

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Glycogen storage disease type 2 (Pompe) mutation analysis

Sample Reqs

A[40]

Special Instructions

40 Informed Consent is required for these tests.

Guthrie Card CMV Assay

Sample Reqs

Dried Blood Spot

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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