Chromosome, AFP/AChE/HbF, Amn
Test ID:
704787
CPT code:
82106, 82013
Synonyms:
Chromosome Analysis, AFP, AChE, Amniotic Fluid With Reflex to Fetal Hemoglobin (Hb F)
Clinical Use:
Determine fetal karyotype; prenatal diagnosis of Down syndrome or other chromosomal abnormalities; analysis of midtrimester amniotic fluid for detection of open neural tube and ventral wall defects
Specimen Type:
Amniotic fluid
Requested Volume:
20 to 30 mL
Minimum Volume:
10 mL
Container Type:
Sterile plastic conical tube; do not use urine containers or tubes with rubber stoppers. Rubber is toxic to amniocytes.
Collection:
Discard first 2 mL of fluid aspirated to avoid maternal cell contamination. Specimen is collected in a 20 mL sterile syringe and transferred aseptically to sterile tubes. The test request form is completed and accompanies specimen and miscellaneous slip to the laboratory.
Storage Instructions:
Maintain specimen at room temperature. Do not freeze or refrigerate.
Stability Requirements:
Temperature |
Period |
---|---|
Room temperature |
1 month |
Rejection Criteria
Specimen found not to be amniotic fluid; gross contamination with red cells; frozen specimen; nonsterile container. Do not use urine containers or tubes with rubber stoppers; rubber is toxic to amniocytes.
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MCI Diagnostic
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7018 South Utica Avenue
Tulsa, Oklahoma 74136
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