Special Instructions
Code | Instruction | |
1 | Contact the laboratory for special sample tubes/containers/instructions. | |
2 | Confirmation of not negative drug screens by GCMS may take up to 5 days. | |
3 | Clinical history essential and protect from light. | |
4 | Send to the laboratory without delay. | |
5 | Do not send sample to the laboratory between Friday noon and Monday morning. | |
6 | Contact the Referrals Department before taking and sending sample to the laboratory. | |
7 | Sample should be separated and frozen if sending overnight. | |
8 | DRP Form required. DRP Form can be found at the back of the guide. | |
9 | Clinical history must be provided. | |
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). |
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11 | Patient consent required. Consent Form can be found at the back of the Medlab Laboratory Guide. | |
12 | Please provide one sample for each person being tested. | |
13 | Protect from light. | |
14 | Provide details of travel history. | |
15 |
Ammonia (or plasma can be frozen). If haemolysed gives falsely high results. Patient: Fasting. Avoid smoking. |
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16 |
Lactate contains large amounts of lactate. No tourniquet. |
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17 | Homocysteine Should be spun and separated with 1 hour of venepuncture. |
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18 |
Citrate Samples transportation to the laboratory, samples must be transported as frozen. |
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19 | Must include patient’s age, height and weight. | |
20 | Sample types: FCRU or PCR swab or TPV or Semen. | |
21 | Urine cytology container, ideally first catch, mid-morning specimen. | |
22 | Must be fresh. | |
23 | For Fabry’s Syndrome | |
24 | Anti-malarial drug. | |
25 | Includes: potassium, magnesium, calcium, zinc, copper, selenium. | |
26 | Tests for active metabolite 10-Hydroxycarbazepine. | |
27 | Hereditary Neuropathy. | |
28 | VDRL and VDRL/TPHA have now been replaced by Syphilis IgG/IgM. | |
29 | Optional PAP Smear as additional test | |
30 | Collect sample at end of exposure. | |
31 | At end of shift. | |
32 | Avoid seafood and fish for 2-3 days before collection. | |
33 | Sample must be labelled by hand with first name, family name, gender and date of birth detailed on sample and form. | |
34 | Samples must arrive in the laboratory on the same day of sample taking or contact the laboratory. | |
35 | Patient should be fasting and resting for 30 mins before sample taking. Samples need handling urgently. | |
36 | Renin: Sample collected either upright/active or resting /supine (3 hrs lying). | |
37 | Provide sample time and date of collection. | |
38 | EDTA sample should not be separated: send whole blood. | |
39 | Urgent samples have a 3 day TAT if genotype is required for prenatal diagnosis or two weeks TAT if urgent for other factors. | |
40 | Informed Consent is required for these tests. | |
41 | Recommendation for patient to attend Patient Reception for sample taking. | |
42 | LGV can be added to a positive chlamydia sample using the same swab if requested within 4 days of receipt of result. |