Ordering Recommendation

Preferred test to detect capillary malformation-arteriovenous malformation (CM-AVM). If vascular symptoms are expanded beyond CM-AVM, consider ordering Vascular Malformations Panel, Sequencing and Deletion/Duplication (2007384).

Methodology

Massively Parallel Sequencing

Performed

Varies

Reported

10-15 days

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 (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

Compliance Category

Laboratory Developed Test (LDT)

Note

EPHB4 (NM_004444); RASA1 (NM_002890)

Hotline History

N/A

CPT Codes

81479

Components

Component Test Code* Component Chart Name LOINC
3003635 CMAVM Specimen 31208-2
3003636 CMAVM Interp 35474-6
* 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

  • CM-AVM1
  • CM-AVM2
  • CMAVM syndrome
Capillary Malformation-Arteriovenous Malformation (CM-AVM) Panel, Sequencing and Deletion/Duplication