NT/CRL Data Form

Mayo Subject

Thank you for choosing Mayo Clinic Laboratories.

All sonographers within the organization must complete this form separately.

Prior to submitting this form, a copy of the certification card must be faxed to 507-284-1759.

Mayo Clinic Laboratories only accepts nuchal translucency (NT) measurements from certified sonographers.

If you have questions, contact Customer Service and ask for the maternal screening area: 800-533-1710

All Fields Are Required

Primary Client Information

If the sonographer is completing this form, contact your laboratory for the following information.

All fields are required.

Sonographer Information

Complete the following for each sonographer performing NTs for screening.

Sonographer Data

Please supply the matched NT/CRL measurements. Sonographers should provide paired NT/CRL measurements from as many pregnancies as possible to validate the appropriate reference data.

  Date of Scan
CRL (mm) NT (mm)

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