A - Z Test List

Test List: F

# 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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Factor II Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Factor II Prothrombin Gene – G20201A mutation

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Factor V Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Factor V Leiden – G1691A mutation

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Factor VII Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Factor VIII Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Factor IX Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Factor X Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Factor Xa (Heparin)

Sample Reqs

C (Frozen)

Special Instructions

Note what Heparin and dosage.

Factor XI Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Factor XII Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Factor XIII Assay

Sample Reqs

C (Frozen) [9] [18]

Special Instructions

[9] Clinical history must be provided.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Faecal Elastase

Sample Reqs

RF

Faecal Fat (1 Day Collection)

Sample Reqs

LF [6]

Special Instructions

[6] Contact the Referrals Department before taking and sending sample to the laboratory.

Faecal Fat (3 day)

Sample Reqs

LF [6]

Special Instructions

[6] Contact the Referrals Department before taking and sending sample to the laboratory.

Faecal Lactoferrin

Sample Reqs

RF min. 5g

Faecal Occult Blood / FOB (immunochemical / FIT)

Sample Reqs

RF

Faecal Sugar Chromatography

Sample Reqs

RF  (Frozen)

Faecal Trypsin

Sample Reqs

RF

Faecal Urobilinogen

Sample Reqs

RF

Familial Hypercholesterolaemia – comprehensive LDLR + APOB + PCSK9 + LDLRAP1 sequencing

Sample Reqs

A A [9]

Special Instructions

[9] Clinical history must be provided.

Familial Mediterranean Fever – MEFV hotspot sequencing

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Farmers Lung Precipitins

Sample Reqs

B

Fasciola Hepatica Antibodies (Liver Fluke)

Sample Reqs

B

Fast Chlamydia Swab

Sample Reqs

PCR Swab

Fast Chlamydia Urine

Sample Reqs

FCRU

Fast CT/NG Rectal Swab

Sample Reqs

PCR Swab

Fast CT/NG Swab

Sample Reqs

PCR Swab

Fast CT/NG Throat Swab

Sample Reqs

PCR Swab

Fast CT/NG Urine

Sample Reqs

FCRU

Fast Gonorrhoea Swab

Sample Reqs

PCR Swab

Fast Gonorrhoea Urine

Sample Reqs

FCRU

Fast Screen Short

Sample Reqs

B FCRU

Fast Screen Swab

Sample Reqs

B PCR

Fast Screen Urine

Sample Reqs

B FCRU

Ferritin

Sample Reqs

B

Fibrinogen

Sample Reqs

C [4] [18]

Special Instructions

[4] Send to the laboratory without delay.
[18] Citrate Samples. Samples should be double spun and separated and frozen within 4-8 hours of sample taking, if a delay is expected with transportation to the laboratory, samples must be transported as frozen.

Fibrotest (Liver Fibrosis)

Sample Reqs

B

Filaria (Lymphatic and Non-Lymphatic) Antibodies

Sample Reqs

B [9] [14]

Special Instructions

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

Fish Components

Sample Reqs

B

FK506 (Tacrolimus / Prograf)

Sample Reqs

A [4]

Special Instructions

[4] Send to the laboratory without delay.

Flecainide (Tambocor)

Sample Reqs

A

Fluid Culture

Sample Reqs

SC

Fluid Cytology

Sample Reqs

Fluid [4]

Special Instructions

[4] Send to the laboratory without delay.

Fluid for Crystals

Sample Reqs

SC

Fluoride (Urine)

Sample Reqs

RU

Fluoxetine (Prozac)

Sample Reqs

A [4]

Special Instructions

[4] Send to the laboratory without delay.

Folate (Red Cell)

Sample Reqs

A

Folate (Serum)

Sample Reqs

B

Fragile X Syndrome screen – FMR1 repeat analysis PCR (3 weeks) + Southern Blot (8 weeks) if required

Sample Reqs

A A A [9]

Special Instructions

[9] Clinical history must be provided.

Free Cortisol (Urine)

Sample Reqs

CU

Free Fatty Acids

Sample Reqs

B (Frozen) [1]

Special Instructions

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

Free T3

Sample Reqs

B

Free T4

Sample Reqs

B

Fructosamine

Sample Reqs

B

Fructose – Plasma

Sample Reqs

G [7]

Special Instructions

[7] Sample should be separated and frozen if sending overnight.

FSH

Sample Reqs

B

Full Blood Count

Sample Reqs

A

Fungal ID + Sens

Sample Reqs

Fungal sample / STM

Fabry disease mutation analysis

Sample Reqs

A[40]

Special Instructions

40 Informed Consent is required for these tests.

Fabry Disease, X-linked – GLA gene sequencing

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Facioscapulohumeral Muscular Dystropy (FSHD) – D4Z4 repeat deletion

Sample Reqs

A,A,A[9]

Special Instructions

9 Clinical history must be provided.

Factor II Prothrombin – G20210A mutation

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Factor V Leiden – G1691A mutation

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Factor VII Deficiency - F7 Gene Variant Analysis (Unknown Genotype)

Sample Reqs

A A (Whole Blood 10ml) [40]

Special Instructions

40 Informed Consent is required for these tests.

Factor VII Deficiency - F7 Gene Variant Analysis (Known Genotype)

Sample Reqs

A A (Whole Blood 10ml) [40]

Special Instructions

40 Informed Consent is required for these tests.

Factor VIII (F8) Severe Haemophilia A – common 1/22 exon inversion

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Factor X Deficiency - F10 Gene Variant Analysis (Unknown Genotype)

Sample Reqs

A A (Whole Blood 10ml) [40]

Special Instructions

40 Informed Consent is required for these tests.

Factor XI Deficiency - F11 Gene Variant Analysis (Unknown Genotype)

Sample Reqs

A A (Whole Blood 10ml) [40]

Special Instructions

40 Informed Consent is required for these tests.

Factor XI Deficiency - F11 Gene Variant Analysis (Known Genotype)

Sample Reqs

A A (Whole Blood 10ml) [40]

Special Instructions

40 Informed Consent is required for these tests.

Familial Adenomatous Polyposis (FAP) – full sequencing across 16 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.

Familial Exudative Vitreoretinopathy (FEVR) NGS Panel – full sequencing NDP + FZD4 + LRP5 + TSPAN12 + ZNF408 genes

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Familial Hypercholesterolaemia – comprehensive LDLR + APOB + PCSK9 + LDLRAP1 sequencing

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Familial Hypocalciuric Hypercalcaemia (FHH) Panel – full sequencing CASR + AP2S1 + GNA11 genes

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Familial Mediterranean Fever – hotspot sequencing MEFV gene

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Familial Medullary Thyroid Carcinoma – hotspot sequencing RET gene

Sample Reqs

Requires patient informed consent A [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.

Fanconi Anaemia NGS Panel – full sequencing across 17 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.

Fatty Acid Oxidation Disorders NGS Panel – full sequencing across 22 genes

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Flecked Retina Syndrome NGS Panel – full sequencing across 7 genes

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Follicular Lymphoma NGS Panel – full sequencing CREBBP + EP300 + EZH2 + KMT2D + MEF2B genes

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.

Fragile X Syndrome screen – FMR1 repeat analysis PCR (3 weeks) + Southern Blot (8 weeks) if required

Sample Reqs

A,A,A[9]

Special Instructions

9 Clinical history must be provided.

Friedreich Ataxia – frataxin gene repeat analysis

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

FLT3-ITD and FLT3-TKD screening assay

Sample Reqs

A

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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