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	Cytogenetic Laboratory Services


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Sample	Service	Quality Standards
		Mean Reporting Time	Reporting
Amniotic Fluid	Culture & karyotyping	13-days	Normal Results: by Facsimile and Post. Abnormal Results: by Telephone, Facsimile and Post.
CVS	Culture & karyotyping (Direct analysis only on request) Dissection and referral to centres for DNA / enzyme tests. (Costs for these tests to be borne by the user).	Direct: 3-Days Culture: 13-Days	Normal Results: by Facsimile and Post. Abnormal Results: by Telephone, Facsimile and Post.
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Fetal Blood	Culture & karyotyping	6-Days	Normal & Abnormal: by Telephone and Facsimile.
Blood Urgent Neonatal (Trisomy Screening) Parental Confirmation of Karyotype (Prenatal) FH of Chromosome Defect (Prenatal Request)	Culture & karyotyping	8-Days	Neonatal: by Telephone, Facsimile and/or Post. All Others: by Telephone / Facsimile / Post as required depending upon case circumstances.
All Other Bloods	Culture & karyotyping	26-Days	by Post (or Facsimile if Requested).
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Bone Marrows	Culture & karyotyping	AML: 14-Days CML: 14-Days ALL: 14-Days MDS: 21-Days MPD: 21-Days	by Telephone / Facsimile / Post as required.
Tissue Products of Conception Fetal Tissues Liveborn Skin Biopsies	Culture & karyotyping	26-Days	by Telephone / Facsimile / Post as required.
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Liveborn Skin Biopsies	Culture & Cell Banking Referral to centres for DNA / enzyme tests. (Costs to be borne by the user).	26-Days	Storage: in Liquid Nitrogen. Despatch: Suface Courier or Air as Required.
Solid Tumours	Culture, Karyotyping & Cell Banking
All Samples as Required	Fluoresence Insitu Hybridisation (Where conventional Chromosome Analysis is Not Required). Alphoid Repeats Chromosome Paints Telmere Sequences Cosmids to Unique Sequences and Following Syndromes: Di George / VCF, William's, Wolf-Hirschorn, Cri du Chat, Prader Willi / Angelman, Miller-Dieker, Retinobastoma, Smith-Magenis.	6-Days	by Post / Facsimile.
Clinical Interpretaion		Full diagnosis, prognosis and further recommendations made. The department has a wide literature source available in-house from journals and computer databases.
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