Sample Quality. 3.1. The Purchaser is responsible for providing a sample of suitable quality for testing as the quality of test results will be compromised if samples are not of an adequate standard.
3.2. Samples in the following sub-standard conditions will not be accepted. The report will state why the sample was not accepted and will incur a charge:
3.2.1. Samples taken at gestational ages less than stated in the User Guide INF1135
3.2.2. Haemolysed samples (for fetal genotyping from maternal plasma)
3.2.3. Leaking, broken or samples contaminated by leaking samples
3.2.4. Inadequate blood volume (see User Guide INF1135)
3.2.5. Sample sent in incorrect type of tube (see User Guide INF1135)
3.2.6. Inadequate labelling of sample tube / or referral form
3.2.7. Maternal blood samples must not be older than 3 days from date of venepuncture for fetal RhD/C/c and E genotyping on arrival at the NHSBT IBGRL laboratory
3.2.8. Maternal blood samples must not be older than 2 days from date of venepuncture for fetal Xxxx genotyping on arrival at the NHSBT IBGRL laboratory
3.2.9. Amniotic fluid samples must not be older than 7 days on arrival at the NHSBT IBGRL laboratory
3.2.10. Samples sent too early in gestation unless it has been pre-agreed with IBGRL (see User Guide INF1135)
3.2.11. Samples suspected of being used for any testing prior to being sent to NHSBT
3.2.12. Samples with addressograph labels– see User Guide INF1135
3.2.13. Hand written alterations on either the sample or request form – see User Guide INF1135
3.2.14. Samples of amniotic fluid or CVS DNA which have been in transit more than seven days upon receipt at the NHSBT IBGRL laboratory.
3.2.15. Maternal plasma aliquots which are not frozen upon receipt at the NHSBT IBGRL laboratory
3.3. Sample labelling and request form completion: Information regarding sample labelling requirements and request forms is also detailed within the IBGRL User Guides found at xxxx://xxxxx.xxxxx.xx.xx/. In the event the Purchaser fails to adhere to the labelling and sample requirements, NHSBT reserves the right to charge the Purchaser a fee as detailed within the Price List. These charges apply for samples where:
3.3.1. A sample has been rejected on receipt
3.3.2. A concession for testing has been requested by the Purchaser following initial rejection on receipt.
3.3.3. A sample has been tested on a concession, requested by the purchaser, but subsequently rejected by IBGRL during the testing process
3.4. When the Purchaser requires Servi...
Sample Quality. 3.1. The Purchaser is responsible for providing a sample of suitable quality for testing as the quality of test results will be compromised if samples are not of an adequate standard.
3.2. Samples in the following sub-standard conditions may not be accepted. The report will state why the sample was not accepted:
3.2.1. Severely haemolysed samples
3.2.2. Leaking, broken or samples contaminated by leaking samples
3.2.3. Inadequate blood volume (see User Guide INF1136)
3.2.4. Sample sent in incorrect type of tube (see User Guide INF1136)
3.2.5. Inadequate labelling of sample tube / or referral form
3.3. Sample labelling and request form completion: Information regarding sample labelling requirements and request forms is also detailed within the IBGRL User Guides found at xxxx://xxxxx.xxxxx.xx.xx/. In the event the Purchaser fails to adhere to the labelling and sample requirements, NHSBT reserves the right to reject the samples.
3.4. When the Purchaser requires Services, they will provide a request form to NHSBT for each sample to be analysed. Samples must be accompanied by the appropriate signed and completed request form (FRM5891) as outlined in the department User Guide, INF1136. The request form has a guide for completion of the form (INF1451) available at xxxx://xxxxx.xxxxx.xx.xx/. Request forms are the basis of the correct identification of the patient. The points of identification provided on the request form must match the information provided on the sample. IBGRL will not accept referrals with an inadequate request form or sample labelling. Preferred minimum patient identification: (Surname and first name are one identifier) ▪ Surname / family name and first name(s) in full. ▪ Date of birth. ▪ Unique identification number e.g. NHS number, hospital number (the same number must be on both the tube and the form).
3.5. Date of venepuncture / sampling. The form must also identify the Purchaser / Requester including contact details, the reason for the test and relevant diagnosis. The form must be signed by the Purchaser or person with authority to request the test. The user guide explains sample labelling requirements, sample volumes and request form completion. This information can be found at xxxx://xxxxx.xxxxx.xx.xx/.
3.6. Samples should be labelled, dated and signed by the person taking them.
3.7. The request form must be completed with clinical information as requested and the expected date of delivery where applicable.
