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GTR Home > Tests > Costello Syndrome

How to order

How To Order

Laboratory's Test Page



How To Order


Patient samples should be shipped via overnight delivery at room temperature. Each specimen should be labeled with the patient’s name, date of birth, medical record number/unique identifier, and date of sample collection. No weekend or holiday deliveries. Send specimens with a completed sample requisition form, otherwise, specimen processing may be delayed. Specimen requirements: One tube of 3-5cc blood in an EDTA (purple top) tube.

Informed Consent Required Help: Decline to answer

Specimen Source

  • Isolated DNA
  • Peripheral (whole) blood

Test Codes

CPT© Code(s):
81403, 81404

Test Orderable By

  • Genetic Counselor
  • Health Care Provider
  • Licensed Physician

Test services

  • Clinical Testing/Confirmation of Mutations Identified Previously
  • Confirmation of research findings
  • Custom Prenatal Testing

Ordering Requirements

Genetic Counseling Required Pre-test Help
Decline to answer
Genetic Counseling Required Post-test Help
Decline to answer

Contact Policy


  • Laboratory can only accept contact from health care providers. Patients/families are encouraged to discuss genetic testing options with their health care provider.

Laboratory Contact For This Test

  • Susan Kirwin, BS, Staff
  • Phone Number: 302-651-6777
  • Email: skirwin@nemours.org
  • Fax Number: 302-651-6795

CPT only. Copyright 2012 American Medical Association. All rights reserved.

  • Click here for the notice regarding AMA CPT codes.

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.