Sample Requirements

Genomic laboratory

Non-urgent advice: Sample Labeling

All patient samples must be labeled with:

  • name
  • date of birth
  • NHS number / hospital number

Peripheral blood samples

Adults: 5 ml blood
Children: 1 to 5 ml blood

Molecular analysis: EDTA

Microarray analysis: EDTA

Karyotype analysis: Lithium heparin

If only small tubes are available, please place the sample into multiple tubes.

DNA samples

Samples of extracted DNA (50ul DNA at concentration of ~500ng/ul) should be in a leak proof plastic container and sent by first class post.

Amniotic fluid samples

Please contact the laboratory prior to arranging a prenatal sample.

10 to 20ml in sterile leak-proof container.

Chorionic villi samples

Please contact the laboratory prior to arranging a prenatal sample.

10-30mg in sterile tissue transport medium (provided by the laboratory) within leak-proof plastic container.

Placental biopsy samples

Please contact the laboratory prior to arranging a prenatal sample.

Chorionic villi and placental membranes in sterile tissue transport medium (provided by the laboratory) within leak-proof plastic container.

Products of conception samples

Place in a sterile leak-proof container.

Stem cells or other cultured cells

Cultured cells in sterile container or fixed cell suspension in a leak proof container.

Skin biopsy

4mm2 (minimum 3mm2) sample in sterile tissue transport medium (provided by the laboratory) within leak-proof plastic container.

Cell Free Fetal DNA Analysis

Please contact the laboratory prior to arranging a prenatal sample.

Cultured cells, muscle biopsy, paraffin blocks, Guthrie cards, saliva, mouthwash or buccal smears

Please contact the laboratory prior to arranging the sample.