2002293
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Chromosome Analysis, Amniotic Fluid

CHR AF
Example Reports
Abnormal
Enhanced Report
Normal

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Time Sensitive

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Cytogenetic Test Request Form Recommended (ARUP form #43098)

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Prenatal Cytogenetics Patient History Form

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Informed Consent for Genetic Testing (Required for NY patients)

Ordering Recommendation

Prenatal chromosome analysis on amniotic fluid when individual:

  • Is at increased risk for fetal aneuploidy based on maternal age, abnormal noninvasive prenatal testing (NIPT), abnormal multiple marker screening, or abnormal fetal ultrasound.
  • Has a family history of chromosome abnormality or genetic disorder.
  • Desires diagnostic testing instead of screening.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Amniotic fluid.

Specimen Preparation

Do not freeze or expose to extreme temperatures. Transport 30 mL amniotic fluid in a sterile container. (Min: 15 mL)

Storage/Transport Temperature

Room temperature.

Unacceptable Conditions

Frozen specimens. Bloody specimens.

Remarks

Counseling and informed consent are recommended for genetic testing. Consent forms are linked above.

New York Clients: informed consent is required with submission.

Stability

Ambient: 48 hours; Refrigerated: 48 hours; Frozen: Unacceptable

Methodology

Giemsa Band

Performed

Sun-Sat

Reported

7-14 days

Reference Interval

By report

Interpretive Data

Refer to report.

Compliance Category

Laboratory Developed Test (LDT)

Note

These studies involve culturing of living cells; therefore, turnaround times given represent average times, which are subject to multiple variables.

A processing fee will be charged if this procedure is canceled at the client's request after the test has been set up or if the specimen integrity is inadequate to allow culture growth.

Specimen and completed test request form, including clinical indication, must be received within 48 hours of collection.

This test must be ordered using Cytogenetic test request form #43098 or through your ARUP interface. Please submit the Patient History for Prenatal Cytogenetics form with the electronic packing list (https://ltd.aruplab.com/Tests/Pdf/65).

Hotline History

N/A

CPT Codes

88269; 88235

Are you an ARUP Client? Click here for your pricing.

Components

Component Test Code* Component Chart Name LOINC
0097601 Chromosome Analysis, Amniotic Fluid 33773-3
2002199 EER Chromosome Analysis Amniotic Fluid 11526-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Karyotype, Amniotic Fluid
  • NIPS confirmation study
  • NIPT confirmation study
  • Prenatal Diagnosis, Amniotic Fluid, Prenatal Chromosomes, Amniotic Fluid
Chromosome Analysis, Amniotic Fluid