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Placental
/ Fetal Tissue
Description
Includes culture of fetal and/or placental tissue and preparation
of Giernsa-banded chromosomes. Chromosome analysis includes two
banded karyotypes, detailed examination of ten cells, and 20 cells
total counted.
Indications
• stillborn
• fetal demise
• miscarriage
• fetal malformations
• intrauterine growth retardation
• cultured fetal cells can be used for special biochemical
or molecular analyses as indicated by the clinical situation
Specimen Requirements
0.5 -1.0 cc fetal thigh muscle and skin and/or 1.0 cc placental
tissue (chorionic villi). Obtain tissue in sterile manner and place
in sterile media or normal saline. Culture media is supplied by
GLG. Label tube or container with patient's name and laboratory
control number. May be refrigerated overnight. Specimen cannot be
frozen. Specimen cannot be fixed in formalin. Send to Great Lakes
Genetics within 24 hours of tissue collection.
Reference Value
46,XX or 46,XY
Turn Around Time
3 days - 2 weeks
CPT Codes
88262 - chromosome analysis, products of conception or stillbirth
88233 - tissue culture for chromosome analysis
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