A - Z Test List

Test List: L

# 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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Lactate (Plasma)

Code

LACT

Sample Reqs

G [16]

Special Instructions

[16] Lactate. Sample: Fluoride oxalate plasma only. On ice and separate from cells 15-30 mins, analyse promptly. Handle with care as sweat contains large amounts of lactate. No tourniquet.
Patient: Rest 30 mins prior to test.

Lactate Dehydrogenase (LDH)

Code

LDH

Sample Reqs

B

Lactate Pyurvate Ratio

Code

LPR

Sample Reqs

J [1]

Special Instructions

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

Lamotrigine

Code

LAMO

Sample Reqs

B [4]

Special Instructions

[4] Send to the laboratory without delay.

Latex Components

Code

ZZ13

Sample Reqs

B

LDH lsoenzymes

Code

ISOL

Sample Reqs

B

LDL7 Subfractions

Code

LDL7

Sample Reqs

B

Lead (Blood)

Code

LEAD

Sample Reqs

A

Lead (Urine)

Code

URPB

Sample Reqs

RU

Lead Profile (Hb, ZPP, Lead)

Code

LEAZ

Sample Reqs

A [13]

Special Instructions

[13] Protect from light.

Legionella Antibodies

Code

LEGO

Sample Reqs

B

Legionella Urine Antigen

Code

LEGA

Sample Reqs

RU

Leishmania Antibodies

Code

LEIS

Sample Reqs

B

Leishmania Antibodies

Code

LEIF

Sample Reqs

A

Leptin

Code

LEPT

Sample Reqs

B [19]

Special Instructions

[19] Must include patient’s age, height and weight.

Leptospirosis (Weil’s Disease) Abs (IgM)

Code

LEP

Sample Reqs

B

Leucine Amino Peptidase

Code

LAP

Sample Reqs

B

Leucocyte Antibody Detection Panel FEMALE

Code

8RF

Sample Reqs

B [3] [4] [6]

Special Instructions

[3] Clinical history essential and protect from light.
[4] Send to the laboratory without delay.
[6] Contact the Referrals Department before taking and sending sample to the laboratory.
Must also arrive with partners 7RF samples.

Leucocyte Antibody Detection Panel MALE

Code

7RF

Sample Reqs

H H H [3] [4] [6]

Special Instructions

[3] Clinical history essential and protect from light.
[4] Send to the laboratory without delay.
[6] Contact the Referrals Department before taking and sending sample to the laboratory.
Must also arrive with partners 8RF samples.

Leukotriene E4

Code

LTE4

Sample Reqs

CU (Frozen)

Levetiracetam (Keppra)

Code

LEVE

Sample Reqs

B [4]

Special Instructions

[4] Send to the laboratory without delay.

Lipase

Code

LIPA

Sample Reqs

B

Lipid Profile

Code

LIPP

Sample Reqs

B

Lipid Transfer Proteins

Code

ZZ23

Sample Reqs

B

Lipocalins

Code

ZZ28

Sample Reqs

B

Lipoprotein (a)

Code

LPOA

Sample Reqs

B

Lipoprotein Electrophoresis

Code

LEL

Sample Reqs

B

Listeria Antibody

Code

LIST

Sample Reqs

B

Lithium (take 12 hrs after dose)

Code

LITH

Sample Reqs

B

Liver Fibrosis (Enhanced Liver Fibrosis ELF) Code

Code

ELF

Sample Reqs

B

Liver Fibrosis Fibrotest

Code

FIBT

Sample Reqs

B

Liver Function Tests

Code

LFT

Sample Reqs

B

Liver Kidney Microsomal Antibodies

Code

LKM

Sample Reqs

B

Lorazepam

Code

LORA

Sample Reqs

A [4]

Special Instructions

[4] Send to the laboratory without delay.

Lp-PLA2 (PLAC) Test

Code

PLA2

Sample Reqs

B

LSD

Code

LSD

Sample Reqs

RU

Lupus Anticoagulant only

Code

LUPC

Sample Reqs

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.

Lutein

Code

LUTE

Sample Reqs

B [13]

Special Instructions

[13] Protect from light.

Luteinising Hormone (LH)

Code

LH

Sample Reqs

B

Lycopene

Code

LYCO

Sample Reqs

B

Lyme Disease (Borrelia Abs) IgG, IgM

Code

BORR

Sample Reqs

B [9] [14]

Special Instructions

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

Lyme Disease (Borrelia Abs) IgM

Code

BORM

Sample Reqs

B

Lymphocyte Immunophenotyping (Leukaemia)

Code

LYPT

Sample Reqs

A [4] [5]

Special Instructions

[4] Send to the laboratory without delay.
[5] Do not send sample to the laboratory between Thursday noon and Monday morning.

Lymphocyte Subsets (CD3 / CD4 / CD8)

Code

LYSS

Sample Reqs

A [10] / Chex

Special Instructions

[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].

Lysosomal Enzyme Screen

Code

LE

Sample Reqs

H H [6]

Special Instructions

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

Lysozyme

Code

LYSO

Sample Reqs

B

Langer-Giedion Syndrome – BOBs (5 days) + karyotype (15 days)

Code

PBOB, KARY

Sample Reqs

CVS / AF / A, H [9]

Special Instructions

9 Clinical history must be provided.

Langer-Giedion Syndrome – BOBs only

Code

PBOB

Sample Reqs

CVS / AF / A [9]

Special Instructions

9 Clinical history must be provided.

Leber’s Congenital Amaurosis NGS Panel – full sequencing across 32 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Lebers Hereditary Optic Neuropathy – m.3460G>A + m.11778G>A + m.14484T>C common mutations

Code

GENE

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.



Left Ventricular Non-Compaction (LVNC) NGS Panel – full sequencing across 24 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Leigh Syndrome NGS Panel – full sequencing across 75 genes + deletions/duplications + mitochondrial DNA

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

LEOPARD/Noonan/Cardio-Facio-Cutaneous/Costello Syndromes NGS Panel – full sequencing across 15 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Leucocyte β-glucosidase activity (Gaucher disease)

Code

BGLA

Sample Reqs

A

Leukaemia Fusion Gene Screening Assay (Q30)

Code

LMPX

Sample Reqs

A

Leukaemic Studies (Bone Marrow) – please send with complete Leukaemic Studies Request form at back of guide

Code

CBMA

Sample Reqs

Contact Lab A, H [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.

Leukoencephalopathy NGS Panel – full sequencing across 28 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

LGV PCR

Code

Sample Reqs

Chlamydia swab

Li-Fraumeni Syndrome (p53-related cancer predisposition) – TP53 sequencing + MLPA

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.

Limb-Girdle Muscular Dystrophy (LGMD) NGS Panel – full sequencing across 33 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Lissencephaly NGS Panel – full sequencing across 51 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Loeys-Dietz Syndrome/Marfan Syndrome/ Aortopathy NGS Panel – full sequencing across 26 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Long-QT Syndrome NGS Panel – full sequencing across 16 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Lowe (Oculocerebrorenal) Syndrome – OCRL sequencing + large deletions

Code

GENE

Sample Reqs

A[9]

Special Instructions

9 Clinical history must be provided.

Lung Disorders NGS Panel – full sequencing across 51 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

Lynch Syndrome (HNPCC) NGS Panel – 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.

Lysosomal Disorders NGS Panel – full sequencing across 106 genes

Code

GENE

Sample Reqs

A,A[9]

Special Instructions

9 Clinical history must be provided.

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