Chromosome Analysis, Amniotic Fluid

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Time Sensitive

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Cytogenetic Test Request Form Recommended (ARUP form #43098)

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Informed Consent for Genetic Testing (required for NY patients)

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Prenatal Cytogenetics Patient History Form

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.

Mnemonic

CHR AF

Methodology

Giemsa Band

Performed

Sun-Sat

Reported

7-14 days

New York DOH Approval Status

This test is New York DOH 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
Stability

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

Reference Interval

By report

Interpretive Data

Refer to report

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Counseling and informed consent are recommended for genetic testing. Consent forms are available online.

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

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
05/11/2021
X
N/A

CPT Codes

88269; 88235

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