Ordering Recommendation

Recommended test to confirm a hereditary cause of central nervous system (CNS) cancer in individuals with a personal or family history. Testing minors for adult-onset conditions is not recommended; testing will not be performed in minors without prior approval. For additional information, please contact an ARUP genetic counselor at 800-242-2787 ext. 2141.

To compare this test to other hereditary cancer panels, refer to the ARUP Hereditary Cancer Panel Comparison table.

New York DOH Approval Status

Testing is not New York state approved. Specimens from New York clients will be sent out to a New York state-approved laboratory.

Specimen Required

Patient Preparation
Collect

Lavender or pink (EDTA) or yellow (ACD solution A or B).
New York State Clients: Lavender (EDTA)

Specimen Preparation

Transport 3 mL whole blood. (Min: 2 mL)
New York State Clients: 8 mL (Min: 4 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Serum or plasma; grossly hemolyzed or frozen specimens; saliva, buccal brush, or swab; FFPE tissue; DNA.

Remarks
Stability

Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable

Methodology

Massively Parallel Sequencing/Sequencing/Multiplex Ligation-dependent Probe Amplification

Performed

Varies

Reported

14-21 days

Reference Interval

By report

Interpretive Data

Refer to report

Compliance Category

Laboratory Developed Test (LDT)

Note

Genes tested: ALK; APC*; DICER1; EPCAM**; HRAS; LZTR1; MEN1*; MLH1; MSH2; MSH6; NF1; NF2; PMS2; POT1; PRKAR1A; PTCH1; PTEN*; RB1*; SMARCA4; SMARCB1; SMARCE1*; SUFU; TP53; TSC1; TSC2; VHL*

*One or more exons are not covered by sequencing and/or deletion/duplication analysis for the indicated gene; see Additional Technical Information.
**Deletion/duplication analysis of EPCAM (NM_002354) exon 9 only, sequencing is not available for this gene.

Hotline History

N/A

CPT Codes

81201; 81203; 81403; 81404; 81405; 81406; 81407; 81408; 81479

Components

Component Test Code* Component Chart Name LOINC
3006058 CNSCAN Specimen 66746-9
3006059 CNSCAN Interp 50398-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Familial adenomatous polyposis (FAP)
  • AFAP
  • Cowden syndrome
  • Gorlin syndrome
  • hereditary nonpolyposis colorectal cancer (HNPCC)
  • Li-Fraumeni syndrome (LFS)
  • Lynch syndrome
  • multiple endocrine neoplasia
  • neurofibromatosis
  • retinoblastoma
  • rhabdoid tumor predisposition syndrome
  • tuberous sclerosis complex
  • Von Hippel Lindau
Hereditary Central Nervous System Cancer Panel, Sequencing and Deletion/Duplication