Clinical Indication ID & Name
Thrombophilia with a likely monogenic cause
Test Group
Haematology
Specialties
Test code
R97.1
Test name
Thrombophilia with a likely monogenic cause
Target genes
Thrombophilia (516)
Test scope
n/a
Test method/ technology
WES or Small Panel
Optimal Family Structure
n/a
Eligibility Criteria
• Clinical features indicative of a likely monogenic venous thrombophilia as assessed by a consultant haematologist
• Testing should typically be targeted at those with venous thromboembolic disease at less than 40 years of age, is spontaneous or associated with weak environmental risk factors and which is present in at least one first degree relative
• Testing should only be used where it will impact on clinical management
Test code
R97.2
Test name
N/A
Target genes
PROS1;PROC;SERPINC1
Test scope
n/a
Test method/ technology
MLPA or equivalent
Optimal Family Structure
n/a
Eligibility Criteria
• Clinical features indicative of a likely monogenic venous thrombophilia as assessed by a consultant haematologist
• Testing should typically be targeted at those with venous thromboembolic disease at less than 40 years of age, is spontaneous or associated with weak environmental risk factors and which is present in at least one first degree relative
• Testing should only be used where it will impact on clinical management
Commissioning group
Specialised
Overlapping idications
n/a
Address for samples/request forms
Molecular Haemostasis & Thrombosis
4th Floor North Wing
St. Thomas’ Hospital
London SE1 7EH
Contact with queries
Supporting documents
n/a
Education resources
n/a
Turn around times
All our turnaround times are listed on our specific turn around page https://southeastgenomics.nhs.uk/professionals/service-turn-around-times/
Request form download
Consent record
See consent guidance in test request form
Sample requirements
Sample Requirements Each sample must be sent labelled with 3 patient identifiers and must state the sample type clearly on the sample container. Sample Rejection Samples may be rejected for the following reasons: 1. Samples and request form do not show at least three identical patient identifiers 2. The sample is in the incorrect collection media 3. The request form is not sufficiently completed 4. The sample is not of sufficient volume 5. The sample is too old Sample Storage and Volume Required: Perirpheral blood in an EDTA tube: Adult and children 4 ml, Infants (0-2 years) 1 ml or a DNA sample (3-5µg of purified DNA). Where it is not possible to collect peripheral blood we will accept a saliva sample (please contact the lab for specific details). Storage, sample packing and transportation: Blood should be stored at 4°C where possible. Send at room temperature by first class post or by courier. Patient/Clinician Instructions: N/A Factors affecting performance of test/interpretation of results: Clotted samples are unsuitable for DNA analysis. Blood Samples in incorrect anticoagulant tubes may be rejected.