CHROM ANALYSIS

Chromosome Analysis, Amniotic Fluid

EPIC Test Procedure Code: LAB4703

Performing Lab:
Referral Laboratory
Required Patient Info:

1. Complete a "Chromosome Analysis Request Form" and forward it with the specimen.
2. Gestational age is required on request form for processing.

Container Type:
Two, 15 mL screw-capped, sterile containers
Specimen Type:

Amniotic fluid

Preferred Volume:
20 - 25 mL
Collection Procedure:

1. Draw 2 mL of amniotic fluid in a sterile syringe and discard.
2. Draw 20 - 25 mL of amniotic fluid (less if early amnio) for cytogenetics, and transfer the specimen into two 15 mL screw-capped, sterile containers.
3. Do not centrifuge amniotic fluid for any reason.
4. Label the containers/tube with the patient's name and laboratory identification number.
5. Maintain sterility and forward promptly at room temperature.
6. Specimens cannot be frozen.

Store and Transport:
Room temperature
CPT Codes:

88280 - Add Karyotype (EAP 31131143)
88235 - Chromosome Culture, Amniotic Fld (EAP 31131145)
88267 - Karyotype Amniotic Fluid (EAP 31131141)
88285 - Chromo Analysis, Additional Cell Counts (EAP 31131222)

Reference Ranges:

Please refer to the performing lab report for applicable reference ranges

Lab Personnel

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