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

Important notice regarding biotin interference in laboratory tests – please click here to read our update

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Factor II Assay

Code

FAC2

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

Code

FX2

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Factor V Assay

Code

FAC5

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

Code

FX5

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Factor VII Assay

Code

FAC7

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

Code

FAC8

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

Code

F1X

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

Code

FX

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)

Code

FXA

Sample Reqs

C (Frozen)

Special Instructions

Note what Heparin and dosage.

Factor XI Assay

Code

FX1

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

Code

FX11

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

Code

FA13

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

Code

ELAS

Sample Reqs

RF

Faecal Fat (1 Day Collection)

Code

TFFA

Sample Reqs

LF [6]

Special Instructions

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

Faecal Fat (3 day)

Code

FFAT

Sample Reqs

LF [6]

Special Instructions

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

Faecal Lactoferrin

Code

FLAC

Sample Reqs

RF min. 5g

Faecal Occult Blood / FOB (immunochemical / FIT)

Code

FOB

Sample Reqs

RF

Faecal Sugar Chromatography

Code

FCRO

Sample Reqs

RF  (Frozen)

Faecal Trypsin

Code

FTRY

Sample Reqs

RF

Faecal Urobilinogen

Code

FURO

Sample Reqs

RF

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

Code

GENE

Sample Reqs

A A [9]

Special Instructions

[9] Clinical history must be provided.

Familial Mediterranean Fever – MEFV hotspot sequencing

Code

GENE

Sample Reqs

A [9]

Special Instructions

[9] Clinical history must be provided.

Farmers Lung Precipitins

Code

FARM

Sample Reqs

B

Fasciola Hepatica Antibodies (Liver Fluke)

Code

FASC

Sample Reqs

B

Fast Chlamydia Swab

Code

FGN

Sample Reqs

PCR Swab

Fast Chlamydia Urine

Code

FCT

Sample Reqs

FCRU

Fast CT/NG Rectal Swab

Code

FRCG

Sample Reqs

PCR Swab

Fast CT/NG Swab

Code

FSCG

Sample Reqs

PCR Swab

Fast CT/NG Throat Swab

Code

FTCG

Sample Reqs

PCR Swab

Fast CT/NG Urine

Code

FCG

Sample Reqs

FCRU

Fast Gonorrhoea Swab

Code

FSGN

Sample Reqs

PCR Swab

Fast Gonorrhoea Urine

Code

FGN

Sample Reqs

FCRU

Fast Screen Short

Code

FSSC

Sample Reqs

B FCRU

Fast Screen Swab

Code

FSWS

Sample Reqs

B PCR

Fast Screen Urine

Code

FUSC

Sample Reqs

B FCRU

Ferritin

Code

FERR

Sample Reqs

B

Fibrinogen

Code

FIB

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)

Code

FIBT

Sample Reqs

B

Filaria (Lymphatic and Non-Lymphatic) Antibodies

Code

FIFA

Sample Reqs

B [9] [14]

Special Instructions

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

Fish Components

Code

ZZ10

Sample Reqs

B

FK506 (Tacrolimus / Prograf)

Code

FK5

Sample Reqs

A [4]

Special Instructions

[4] Send to the laboratory without delay.

Flecainide (Tambocor)

Code

FLEC

Sample Reqs

A

Fluid Culture

Code

FLUD

Sample Reqs

SC

Fluid Cytology

Code

CATF

Sample Reqs

Fluid [4]

Special Instructions

[4] Send to the laboratory without delay.

Fluid for Crystals

Code

FLU2

Sample Reqs

SC

Fluoride (Urine)

Code

UFL

Sample Reqs

RU

Fluoxetine (Prozac)

Code

PROZ

Sample Reqs

A [4]

Special Instructions

[4] Send to the laboratory without delay.

Folate (Red Cell)

Code

RBCF

Sample Reqs

A

Folate (Serum)

Code

FOLA

Sample Reqs

B

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

Code

GENE

Sample Reqs

A A A [9]

Special Instructions

[9] Clinical history must be provided.

Free Cortisol (Urine)

Code

UCOR

Sample Reqs

CU

Free Fatty Acids

Code

FFA

Sample Reqs

B (Frozen) [1]

Special Instructions

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

Free T3

Code

FT3

Sample Reqs

B

Free T4

Code

FT4

Sample Reqs

B

Fructosamine

Code

FRUC

Sample Reqs

B

Fructose – Plasma

Code

FRU

Sample Reqs

G [7]

Special Instructions

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

FSH

Code

FSH

Sample Reqs

B

Full Blood Count

Code

FBC

Sample Reqs

A

Fungal ID + Sens

Code

FUID

Sample Reqs

Fungal sample / STM

Fabry disease mutation analysis

Code

FAMB

Sample Reqs

A[40]

Special Instructions

40 Informed Consent is required for these tests.

Fabry Disease, X-linked – GLA gene sequencing

Code

GENE

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Facioscapulohumeral Muscular Dystropy (FSHD) – D4Z4 repeat deletion

Code

GENE

Sample Reqs

A,A,A[9]

Special Instructions

9 Clinical history must be provided.

Factor II Prothrombin – G20210A mutation

Code

FX2

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Factor V Leiden – G1691A mutation

Code

FX5

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

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

Code

7MA

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)

Code

7MA

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

Code

GENE

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

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

Code

10MA

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)

Code

11MA

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)

Code

11MA

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

Code

GENE

Sample Reqs

Requires patient informed consent A, 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.

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

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

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

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

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

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Familial Mediterranean Fever – hotspot sequencing MEFV gene

Code

GENE

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Familial Medullary Thyroid Carcinoma – hotspot sequencing RET gene

Code

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

Code

GENE

Sample Reqs

Requires patient informed consent A, 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.

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

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Flecked Retina Syndrome NGS Panel – full sequencing across 7 genes

Code

GENE

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

Code

GENE

Sample Reqs

Requires patient informed consent A, 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.

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

Code

GENE

Sample Reqs

A,A,A[9]

Special Instructions

9 Clinical history must be provided.

Friedreich Ataxia – frataxin gene repeat analysis

Code

GENE

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

FLT3-ITD and FLT3-TKD screening assay

Code

FLT3

Sample Reqs

A

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