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Test Code EOIBD Early Onset Monogenic Inflammatory Bowel Disease (IBD) Gene Panel, Varies


Ordering Guidance


Targeted testing for familial variants (also called site-specific or known variants testing) is available for the genes on this panel. See FMTT / Familial Variant, Targeted Testing, Varies. To obtain more information about this testing option, call 800-533-1710.



Shipping Instructions


Specimen preferred to arrive within 96 hours of collection.



Specimen Required


Patient Preparation: A previous bone marrow transplant from an allogenic donor will interfere with testing. Call 800-533-1710 for instructions for testing patients who have received a bone marrow transplant.

 

Submit only 1 of the following specimens:

Specimen Type: Whole blood

Container/Tube:

Preferred: Lavender top (EDTA) or yellow top (ACD)

Acceptable: Any anticoagulant

Specimen Volume: 3 mL

Collection Instructions:

1. Invert several times to mix blood.

2. Send whole blood specimen in original tube. Do not aliquot.

Specimen Stability Information: Ambient (preferred) 4 days/Refrigerated

 

Specimen Type: Skin biopsy

Supplies: Fibroblast Biopsy Transport Media (T115)

Container/Tube: Sterile container with any standard cell culture media (eg, minimal essential media, RPMI 1640). The solution should be supplemented with 1% penicillin and streptomycin.

Specimen Volume: 4-mm punch

Specimen Stability Information: Refrigerated (preferred)/Ambient

Additional Information: A separate culture charge will be assessed under CULFB / Fibroblast Culture for Biochemical or Molecular Testing. An additional 3 to 4 weeks is required to culture fibroblasts before genetic testing can occur.

 

Specimen Type: Cultured fibroblasts

Container/Tube: T-25 flask

Specimen Volume: 2 Flasks

Collection Instructions: Submit confluent cultured fibroblast cells from a skin biopsy from another laboratory. Cultured cells from a prenatal specimen will not be accepted.

Specimen Stability Information: Ambient (preferred)/Refrigerated (<24 hours)

Additional Information: A separate culture charge will be assessed under CULFB / Fibroblast Culture for Biochemical or Molecular Testing. An additional 3 to 4 weeks is required to culture fibroblasts before genetic testing can occur.

 


Forms

1. New York Clients-Informed consent is required. Document on the request form or electronic order that a copy is on file. The following documents are available in:

-Informed Consent for Genetic Testing (T576)

-Informed Consent for Genetic Testing (Spanish) (T826)

2. Early Onset Inflammatory Bowel Disease Patient Information

3. If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Test Request (T728) with the specimen.

Useful For

Providing a comprehensive genetic evaluation for patients with a personal or family history suggestive of an inherited inflammatory bowel disorder

 

Establishing a diagnosis of a monogenic early onset inflammatory bowel disease, allowing for appropriate management and surveillance for disease features based on the gene and/or variant involved

 

Identifying variants within genes known to be associated with monogenic early onset inflammatory bowel disease, allowing for predictive testing of at-risk family members

Genetics Test Information

This test utilizes next-generation sequencing to detect single nucleotide and copy number variants in 107 genes associated with monogenic early onset inflammatory bowel disease: ADA, ADAM17, AICDA, AIRE, ALPI, ANKZF1, ARPC1B, ASAH1, BACH2, BTK, CARMIL2, CASP8, CD3G, CD40LG, CD55, COL7A1, CTLA4, CYBA, CYBB, CYBC1, DCLRE1C, DEF6, DGAT1, DKC1, DOCK8, DUOX2, EPCAM, FCHO1, FERMT1, FOXP3, G6PC(G6PC1), G6PC3, GUCY2C, HPS1, HPS3, HPS4, HPS6, ICOS, IFIH1, IKBKG, IL10, IL10RA, IL10RB, IL21, IL21R, IL2RA, IL2RB, IL2RG, IL7R, ITCH, ITGB2, JAK1, LCT, LIG4, LRBA, MALT1, MEFV, MVK, MYO5B, NCF2, NCF4, NEUROG3, NFKBIA, NLRC4, PAX1, PCSK1, PIK3CD, PIK3R1, PLCG2, PLVAP, POLA1, RAG1, RAG2, RIPK1, RTEL1, SH2D1A, SI, SKIV2L, SLC10A2, SLC26A3, SLC37A4, SLC39A4, SLC51B, SLC5A1, SLC9A3, SPINT2, STAT1, STAT3, STAT5B, STIM1, STX3, STXBP2, TGFB1, TGFBR1, TGFBR2, TLR3, TNFAIP3, TRIM22, TRNT1, TTC37, TTC7A, UNC45A, WAS, WIPF1, XIAP, ZAP70, and ZBTB24. See Targeted Genes and Methodology Details for Early Onset Monogenic Inflammatory Bowel Disease (IBD) Gene Panel for details regarding the targeted gene regions evaluated by this test.

 

Identification of a disease-causing variant may assist with diagnosis, prognosis, clinical management, recurrence risk assessment, familial screening, and genetic counseling for monogenic early onset inflammatory bowel disease.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
CULFB Fibroblast Culture for Genetic Test Yes No

Testing Algorithm

For skin biopsy or cultured fibroblast specimens, fibroblast culture will be performed at an additional charge. If viable cells are not obtained, the client will be notified.

 

For more information see Inflammatory Bowel Disease Diagnostic Testing Algorithm.

Reporting Name

Early Onset IBD Gene Panel

Specimen Type

Varies

Specimen Minimum Volume

Blood: 1 mL
Skin biopsy or cultured fibroblasts: See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Varies

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

An interpretive report will be provided.

Day(s) Performed

Varies

Report Available

28 to 42 days

Specimen Retention Time

Whole blood: 2 weeks (if available); Extracted DNA: 3 months; Cultured fibroblasts, skin biopsy: 1 month

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

81443

88233- Tissue culture, skin, solid tissue biopsy (if appropriate)

88240- Cryopreservation (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
EOIBD Early Onset IBD Gene Panel 105196-0

 

Result ID Test Result Name Result LOINC Value
620121 Test Description 62364-5
620122 Specimen 31208-2
620123 Source 31208-2
620124 Result Summary 50397-9
620125 Result 82939-0
620126 Interpretation 69047-9
620127 Additional Results 48767-8
620128 Resources 99622-3
620129 Additional Information 48767-8
620130 Method 85069-3
620131 Genes Analyzed 82939-0
620132 Disclaimer 62364-5
620133 Released By 18771-6