A - Z Test List

Test List: T

# 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

Please click here to read our user guide. More user guides will be available soon.

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

Expand All | Collapse All

T cell clonality assay (TCR beta and TCR gamma)

Code

TCRA

Sample Reqs

A
or FFPE

Special Instructions

T Regulatory Cells

Code

25RF

Sample Reqs

H

Special Instructions

Patients who have samples taken at TDL’s Patient Reception at 76 Wimpole Street may attend any time during hours of opening on Mondays or Tuesdays, and by NOON on Wednesdays to allow for same day shipping to Chicago by Fed Ex. Samples for Rosalind Franklin are not accepted on Thursdays, Fridays or Saturdays. Fed Ex charges are included in these charges.

T3

Code

T3

Sample Reqs

B

Special Instructions

T3 (Reverse)

Code

RT3

Sample Reqs

B [7] [37]

Special Instructions

[7] Sample should be separated and frozen if sending overnight.
[37] Provide sample time and date of collection.

Tacrolimus/Prograf (FK506)

Code

FK5

Sample Reqs

A [4]

Special Instructions

[4] Send to the laboratory without delay.

Taipan Snake Venom Time

Code

TTVT

Sample Reqs

C [18]

Special Instructions

[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.

Tay Sachs Screen – 5 common mutations. See also Pan-Ethnic/Jewish Carrier Profile

Code

GENE

Sample Reqs

A
[9]

Special Instructions

[9] Clinical history must be provided.

TB (pleuralfluid)

Code

TBCU

Sample Reqs

SC

Special Instructions

TB Culture

Code

SPU2

Sample Reqs

SC

Special Instructions

TB Culture (Urine)

Code

TBUR

Sample Reqs

3 x EMU

Special Instructions

TB Quantiferon®-TB Gold*

Code

TBQ4

Sample Reqs

Special tubes or H [1]

Special Instructions

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

* Please indicate clearly if samples have / have not been incubated prior to sending to the laboratory. If Lith Hep (green top) tube is used, please request as TBQ4 and ensure sample is received in the laboratory within 16 hours of sample taking.

TB Slopes – Confirmation and Sensitivity

Code

TBSL

Sample Reqs

TB slope (LJ medium-green) [6]

Special Instructions

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

Tegretol (Carbamazepine)

Code

CARB

Sample Reqs

B

Special Instructions

Teicoplanin Assay

Code

TEIC

Sample Reqs

B

Special Instructions

Temazepam

Code

TEMA

Sample Reqs

B [4]

Special Instructions

[4] Send to the laboratory without delay.

Testicular Autoantibodies

Code

TAB

Sample Reqs

B

Special Instructions

Testicular Tumour Profile

Code

TTP

Sample Reqs

B

Special Instructions

Testosterone

Code

TEST

Sample Reqs

B

Special Instructions

Testosterone (Bioavailable)

Code

BTES

Sample Reqs

B

Special Instructions

Testosterone (Free)

Code

FTES

Sample Reqs

B

Special Instructions

Tetanus Antibody

Code

TETA

Sample Reqs

B

Special Instructions

TH1/TH2 Cytokine Profile

Code

1TH2

Sample Reqs

H H H*

Special Instructions

* Patients need to attend Patient Reception at 76 Wimpole Street by 11.00am latest Mondays – Thursdays. Samples cannot be accepted on Fridays, Saturdays or Sundays. Allow 2 days for results.

TH1/TH2 Cytokine Ratio

Code

6RF

Sample Reqs

H H H [5]

Special Instructions

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

Patients who have samples taken at TDL’s Patient Reception at 76 Wimpole Street may attend any time during hours of opening on Mondays or Tuesdays, and by NOON on Wednesdays to allow for same day shipping to Chicago by Fed Ex. Samples for Rosalind Franklin are not accepted on Thursdays, Fridays or Saturdays. Fed Ex charges are included in these charges.

TH1/TH2 Intracellular Cytokine Ratios with IVIG, Prednisolone

Code

20RF

Sample Reqs

H H H [5]

Special Instructions

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

Patients who have samples taken at TDL’s Patient Reception at 76 Wimpole Street may attend any time during hours of opening on Mondays or Tuesdays, and by NOON on Wednesdays to allow for same day shipping to Chicago by Fed Ex. Samples for Rosalind Franklin are not accepted on Thursdays, Fridays or Saturdays. Fed Ex charges are included in these charges.

TH1/TH2 Intracellular Cytokine Ratios with IVIG

Code

21RF

Sample Reqs

H H H [5]

Special Instructions

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

Patients who have samples taken at TDL’s Patient Reception at 76 Wimpole Street may attend any time during hours of opening on Mondays or Tuesdays, and by NOON on Wednesdays to allow for same day shipping to Chicago by Fed Ex. Samples for Rosalind Franklin are not accepted on Thursdays, Fridays or Saturdays. Fed Ex charges are included in these charges.

TH1/TH2 Intracellular Cytokine Ratios with Prednisolone

Code

22RF

Sample Reqs

H H H [5]

Special Instructions

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

Patients who have samples taken at TDL’s Patient Reception at 76 Wimpole Street may attend any time during hours of opening on Mondays or Tuesdays, and by NOON on Wednesdays to allow for same day shipping to Chicago by Fed Ex. Samples for Rosalind Franklin are not accepted on Thursdays, Fridays or Saturdays. Fed Ex charges are included in these charges.

Thalassaemia Screen

Code

HBEL

Sample Reqs

A

Special Instructions

Thallium (Blood)

Code

THAL

Sample Reqs

A / H

Special Instructions

Thallium (Urine)

Code

URTH

Sample Reqs

RU

Special Instructions

Theophylline

Code

THEO

Sample Reqs

B

Special Instructions

Thiopurine Methyl Transferase

Code

TPMT

Sample Reqs

A [5]

Special Instructions

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

Thrombin Time

Code

THRO

Sample Reqs

C [18]

Special Instructions

[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.

Thrombotic Risk Profile

Profile details

FBC

Coagulation Profile

Antithrombin III

Factor V Leiden gene

Factor II Prothrombin gene

MTHFR gene

Lupus Anticoagulant

Protein C

Free Protein S Ag

Anticardiolipin Abs

Code

PROP

Sample Reqs

A  A  B  C  C  C  [18]

Special Instructions

[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.

Thyroglobulin Abs

Code

TGAB

Sample Reqs

B

Special Instructions

Thyroglobulin Assay

Code

TGA

Sample Reqs

B

Special Instructions

Thyroid Abs (incl. TGAB + TPEX)

Code

THAB

Sample Reqs

B

Special Instructions

Thyroid Abs (incl. Thyroglobulin + Thyroid Peroxidase Abs)

Code

THAB

Sample Reqs

B

Special Instructions

Thyroid Cancer NGS Panel – full sequencing across 7 genes + deletions/duplications

Code

GENE

Sample Reqs

A
A
[9] [11] Requires patient informed consent

Special Instructions

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

Thyroid Peroxidase Antibodies/Anti TPO

Code

TPEX

Sample Reqs

B

Special Instructions

Thyroid Profile 1

Profile details

FT4

TSH

Code

TF

Sample Reqs

B 

Special Instructions

 

Thyroid Profile 2

Profile details

T4

TSH

Free T3

Free T4

Thyroglobulin Abs

Thyroid Peroxidase

Code

TF2

Sample Reqs

B 

Special Instructions

 

Thyroid Profile 3

Profile details

FT3

FT4

TSH

Code

TF3

Sample Reqs

B 

Special Instructions

 

Thyroxine (T4)

Code

T4

Sample Reqs

B

Special Instructions

Thyroxine Binding Globulin

Code

TBG

Sample Reqs

B (Frozen)

Special Instructions

Timothy Grass Components

Code

ZZ19

Sample Reqs

B

Special Instructions

Tissue for culture

Code

TISS

Sample Reqs

Tissue sample

Special Instructions

Tissue Polypeptide Antigen

Code

TPA

Sample Reqs

B

Special Instructions

Tissue Transglutaminase IgA (Coeliac)**

Code

TAA

Sample Reqs

B

Special Instructions

** If Tissue Transglutaminase (TAA) is regulated and is LOW (<0.1U/ml) total IgA will be reflexed. If total IgA is low (<0.1g/L) deamidated gliadin IgG will be reflexed. If Tissue Transglutaminase (TAA) is HIGH (>10 U/ml), endomysial IgA will be reflexed as confirmatory test.

Tissue Transglutaminase IgG

Code

TAAG

Sample Reqs

B

Special Instructions

Tobramycin Assay (Provide Clinical Details)

Code

TOBR

Sample Reqs

B

Special Instructions

Toluene (Blood)

Code

TOL

Sample Reqs

J

Special Instructions

Toluene (Urine)

Code

UTOL

Sample Reqs

RU

Special Instructions

Topiramate (Topamax)

Code

TOPI

Sample Reqs

B [4]

Special Instructions

[4] Send to the laboratory without delay.

Torch Screen

Profile details

Toxoplasma Antibodies (IgG, IgM)

Rubella Antibody (IgG, IgM)

CMV Antibody (lgG, IgM)

Herpes Antibody (HSV1/HSV2 IgG)

Code

TORC

Sample Reqs

B 

Special Instructions

 

Torsion Dystonia (DYT1) – TOR1A common mutation c.904-906delGAG

Code

GENE

Sample Reqs

A
[9]

Special Instructions

[9] Clinical history must be provided.

Total Acid Phosphatase

Code

APT

Sample Reqs

B

Special Instructions

Total Bile Acid/Bile Salts

Code

BILS

Sample Reqs

B

Special Instructions

Total IgE

Code

IGE

Sample Reqs

B

Special Instructions

Total Immune Function Evaluation

Code

TIE

Sample Reqs

A or Chex+B [5] [10]

Special Instructions

[5] Do not send sample to the laboratory between Friday noon and Monday morning.
[10] Contact the laboratory for special stability tubes for lymphocyte subsets – or take an EDTA sample and ensure same day delivery to the laboratory, Monday to Friday noon (do not send sample between Friday noon and Monday morning).

Total Immunoglobulin E

Code

IGE

Sample Reqs

B

Special Instructions

Toxocara Antibodies (IgG)

Code

TFAT

Sample Reqs

B [9]

Special Instructions

[9] Clinical history must be provided.

Toxoplasma Antibodies (IgG+IgM)

Code

TFAM

Sample Reqs

B [9]

Special Instructions

[9] Clinical history must be provided.

Toxoplasma Antibody Full Evaluation (IgM, Dye Test, IgG Avidity)

Code

TDYE

Sample Reqs

B [9]

Special Instructions

[9] Clinical history must be provided.

Toxoplasma by PCR

Code

TXAG

Sample Reqs

A

Special Instructions

TPPA

Code

TPPA

Sample Reqs

B

Special Instructions

Trace Metal (Blood) Profile

Profile details

Aluminium

Manganese

Iron

Calcium

Zinc

Magnesium

Copper

Cadmium

Mercury

Lead

Chromium

Code

TRAC

Sample Reqs

A B  H K

Special Instructions

 

Transferrin

Code

TRAN

Sample Reqs

B

Special Instructions

Transferrin Electrophoresis

Code

TREL

Sample Reqs

B

Special Instructions

Treacher-Collins Syndrome NGS Panel – full sequencing POLR1C + POLR1D + TCOF1

Code

GENE

Sample Reqs

A
A
[9]

Special Instructions

[9] Clinical history must be provided.

Trichinella Serology

Code

TRIC

Sample Reqs

B

Special Instructions

Trichloracetic Acid (Urine)

Code

UTCA

Sample Reqs

RU

Special Instructions

Trichomonas vaginalis by PCR

Code

TVPC

Sample Reqs

FCRU / PCR / TPV

Special Instructions

Trichomonas vaginalis

Code

TVPC

Sample Reqs

TPV

Special Instructions

Triglycerides

Code

TRI

Sample Reqs

B

Special Instructions

Trimethylaminuria (Fish Odour Syndrome)

Code

FOS

Sample Reqs

PU

Special Instructions

Trimipramine

Code

TRIM

Sample Reqs

A

Special Instructions

Tropical Screen (from 6 weeks post-travel)

Profile details

Amoebic Antibodies

Schistosomal Antibodies (Bilharzia)

Echinococcus Antibodies (Hydatid)

Leishmania Antibodies

Malarial Antibodies (IFA)

Toxoplasma Antibodies IgG

Toxoplasma Antibodies IgM

Code

TROP

Sample Reqs

B  B  [9] [14]

Special Instructions

[9] Clinical history must be provided.

[14] Provide details of travel history.

Tropomyosins

Code

ZZ31

Sample Reqs

B

Special Instructions

Troponin T (High sensitive)

Code

TROT

Sample Reqs

B

Special Instructions

Trypanosome (Chagas) Antibodies

Code

CHGA

Sample Reqs

B [9] [14]

Special Instructions

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

Tryptase

Code

STRY

Sample Reqs

B

Special Instructions

TSH

Code

TSH

Sample Reqs

B

Special Instructions

TSH-Receptor Antibodies

Code

TSI

Sample Reqs

B

Special Instructions

Tuberous Sclerosis – full TSC1 + TSC2 gene sequencing

Code

GENE

Sample Reqs

A
A
[9]

Special Instructions

[9] Clinical history must be provided.

Tularaemia Antibodies

Code

TULA

Sample Reqs

B [14]

Special Instructions

[14] Provide details of travel history.

Tumour Necrosis Factor – Alpha

Code

TNF

Sample Reqs

B (Frozen) [4]

Special Instructions

[4] Send to the laboratory without delay.

Contact Us

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

Health Services Laboratories
Health Services Laboratories
Health Services Laboratories