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Craniosynostosis and Dental Anomalies, Autosomal Recessive Crouzon-like Craniosynostosis via the IL11RA Gene

Summary and Pricing

Test Method

Exome Sequencing with CNV Detection
Test Code Test Copy GenesTest CPT Code Gene CPT Codes Copy CPT Codes Base Price
8237 IL11RA 81479 81479,81479 $990 Order Options and Pricing
Test Code Test Copy Genes Test CPT Code Gene CPT Codes Copy CPT Code Base Price
8237IL11RA81479 81479,81479 $990 Order Options and Pricing

Pricing Comments

Our favored testing approach is exome based NextGen sequencing with CNV analysis. This will allow cost effective reflexing to PGxome or other exome based tests. However, if full gene Sanger sequencing is desired for STAT turnaround time, insurance, or other reasons, please see link below for Test Code, pricing, and turnaround time information. If the Sanger option is selected, CNV detection may be ordered through Test #600.

An additional 25% charge will be applied to STAT orders. STAT orders are prioritized throughout the testing process.

Click here for costs to reflex to whole PGxome (if original test is on PGxome Sequencing platform).

Click here for costs to reflex to whole PGnome (if original test is on PGnome Sequencing platform).

The Sanger Sequencing method for this test is NY State approved.

For Sanger Sequencing click here.

Turnaround Time

3 weeks on average for standard orders or 2 weeks on average for STAT orders.

Please note: Once the testing process begins, an Estimated Report Date (ERD) range will be displayed in the portal. This is the most accurate prediction of when your report will be complete and may differ from the average TAT published on our website. About 85% of our tests will be reported within or before the ERD range. We will notify you of significant delays or holds which will impact the ERD. Learn more about turnaround times here.

Targeted Testing

For ordering sequencing of targeted known variants, go to our Targeted Variants page.

EMAIL CONTACTS

Genetic Counselors

Geneticist

  • Stela Berisha, PhD, FACMG

Clinical Features and Genetics

Clinical Features

Craniosynostosis is a primary abnormality of skull growth involving premature fusion of the cranial sutures causing skull deformity. IL11RA pathogenic variants cause craniosynostosis, maxillary hypoplasia, and dental anomalies, including malocclusion, delayed and ectopic tooth eruption, and/or supernumerary teeth (Nieminen et al. 2011). IL11RA variants also cause autosomal recessive Crouzon-like craniosynostosis or Pansynostosis (Keupp et al. 2013).

Genetics

IL11RA related disorders are inherited in an autosomal recessive manner. The IL11RA protein encoded by the IL11RA gene is a stromal cell-derived cytokine that belongs to a family of pleiotropic and redundant cytokines. Approximately 10 unique IL11RA pathogenic variants have been reported in two unrelated studies (Nieminen et al. 2011; Keupp et al. 2013). They include missense, splicing, truncation, and small deletion/insertion (Nieminen et al. 2011; Keupp et al. 2013, Human Gene Mutation Database). No large deletions/duplications have been reported to date.

Clinical Sensitivity - Sequencing with CNV PGxome

Due to limited cases and publications, the clinical sensitivity related to IL11RA testing is hard to predict. Pathogenic IL11RA variants were reported in five families with an initial clinical diagnosis of Crouzon syndrome, pansynostosis, or unclassified syndromic craniosynostosis (Keupp et al. 2013).

To date, no large deletions or duplications have been reported in IL11RA.

Testing Strategy

This test provides full coverage of all coding exons of the IL11RA gene plus 10 bases of flanking noncoding DNA in all available transcripts along with other non-coding regions in which pathogenic variants have been identified at PreventionGenetics or reported elsewhere. We define full coverage as >20X NGS reads or Sanger sequencing. PGnome panels typically provide slightly increased coverage over the PGxome equivalent. PGnome sequencing panels have the added benefit of additional analysis and reporting of deep intronic regions (where applicable).

Dependent on the sequencing backbone selected for this testing, discounted reflex testing to any other similar backbone-based test is available (i.e., PGxome panel to whole PGxome; PGnome panel to whole PGnome).

Indications for Test

Candidates for this test are patients with symptoms consistent with autosomal recessive Craniosynostosis with maxillary hypoplasia, and dental anomalies, or autosomal recessive Crouzon-like craniosynostosis or Pansynostosis, and the family members of patients who have known IL11RA pathogenic variants. This test may also be considered for the reproductive partners of individuals who carry pathogenic variants in IL11RA.

Gene

Official Gene Symbol OMIM ID
IL11RA 600939
Inheritance Abbreviation
Autosomal Dominant AD
Autosomal Recessive AR
X-Linked XL
Mitochondrial MT

Disease

Name Inheritance OMIM ID
Craniosynostosis And Dental Anomalies AR 614188

Related Tests

Name
FGFR3-Related Disorders via the FGFR3 Gene
Achondroplasia via the FGFR3 Gene, Exon 10
Craniosynostosis via the MSX2 Gene
Hypochondroplasia via the FGFR3 Gene
Saethre-Chotzen Syndrome via the TWIST1 Gene
Thanatophoric Dysplasia (TD) via the FGFR3 Gene

Citations

  • Human Gene Mutation Database (Bio-base).
  • Keupp K. et al. 2013. Molecular Genetics & Genomic Medicine. 1: 223-37 PubMed ID: 24498618
  • Nieminen P. et al. 2011. American Journal of Human Genetics. 89: 67-81 PubMed ID: 21741611

Ordering/Specimens

Ordering Options

We offer several options when ordering sequencing tests. For more information on these options, see our Ordering Instructions page. To view available options, click on the Order Options button within the test description.

myPrevent - Online Ordering

  • The test can be added to your online orders in the Summary and Pricing section.
  • Once the test has been added log in to myPrevent to fill out an online requisition form.
  • PGnome sequencing panels can be ordered via the myPrevent portal only at this time.

Requisition Form

  • A completed requisition form must accompany all specimens.
  • Billing information along with specimen and shipping instructions are within the requisition form.
  • All testing must be ordered by a qualified healthcare provider.

For Requisition Forms, visit our Forms page

If ordering a Duo or Trio test, the proband and all comparator samples are required to initiate testing. If we do not receive all required samples for the test ordered within 21 days, we will convert the order to the most effective testing strategy with the samples available. Prior authorization and/or billing in place may be impacted by a change in test code.


Specimen Types

Specimen Requirements and Shipping Details

PGxome (Exome) Sequencing Panel

PGnome (Genome) Sequencing Panel

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ORDER OPTIONS

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View Ordering Instructions

1) Select Test Method (Platform)


1) Select Test Type


2) Select Additional Test Options

STAT and Prenatal Test Options are not available with Patient Plus.

No Additional Test Options are available for this test.

Note: acceptable specimen types are whole blood and DNA from whole blood only.
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