Ordering Recommendation

Recommended diagnostic test for individuals with clinical features of hereditary hemorrhagic telangiectasia (HHT).

Mnemonic

HHT PANEL

Methodology

Massively Parallel Sequencing

Performed

Varies

Reported

3 weeks

New York DOH Approval Status

Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.

Specimen Required

Patient Preparation
Collect

Lavender or pink (EDTA) or yellow (ACD solution A or B).

Specimen Preparation

Transport 3 mL whole blood. (Min: 3 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

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

Remarks
Stability

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

Reference Interval

By report

Interpretive Data

Refer to report.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Counseling and informed consent are recommended for genetic testing. Consent forms are available online.

Compliance Category

Laboratory Developed Test (LDT)

Note

GENES TESTED: ACVRL1, BMPR2, ENG,* EPHB4, GDF2, RASA1, SMAD4

*One or more exons are not covered by deletion/duplication analysis for the indicated gene; see Additional Technical Information.

Hotline History

N/A

CPT Codes

81405; 81406; 81479

Components

Component Test Code* Component Chart Name LOINC
2009338 HHT Panel Specimen
2009341 HHT Panel Interpretation
* 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

  • BMP9
  • CM-AVM
  • CM/AVM
  • JPS
  • juvenile polyposis syndrome
  • Osler-Weber-Rendu syndrome
  • Parkes Weber syndrome
Hereditary Hemorrhagic Telangiectasia (HHT) Panel, Sequencing and Deletion/Duplication