Noonan syndrome with multiple lentigines

Previously known by the acronym of LEOPARD, which is derived from a number of features seen in this condition: multiple Lentigines, ECG abnormalities, Ocular hypertelorism, Pulmonary stenosis, Abnormal genitalia, growth Retardation, and sensorineural Deafness. The diagnostic criteria for Noonan syndrome with multiple lentigines are met when an individual has multiple lentigines and two other related features, or three related features and a first degree relative with multiple lentigines.

Tests Available

Forms and Documents

Test Info Sheet Test Requisition

Test Details

A2ML1, ACTB, ACTG1, BRAF, CBL, HRAS, KAT6B, KRAS, LZTR1, MAP2K1, MAP2K2, NF1, NRAS, NSUN2, PPP1CB, PTPN11, RAF1, RASA1, RASA2, RIT1, RRAS, SHOC2, SOS1, SOS2, SPRED1
  • Diagnosis in a patient based on clinical diagnosis
  • Diagnosis for known familial pathogenic variant(s)
  • Distinguish between causes and forms of RASopathies and disorders with phenotypically similar clinical presentations
  • Genetic counseling, especially regarding recurrence risk

Ordering

TA06
4 weeks
2-5 mL Blood - Lavender Top Tube
Buccal Swabs | Extracted DNA

*Reporting times are typical, but could be extended in situations outside GeneDx's reasonable control.

Billing

81442x1
Yes
Yes
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