Ordering Recommendation

Acceptable panel to detect the two most common inherited thrombophilias: factor V Leiden related (R506Q variant of the F5 gene) and prothrombin related (G20210A variant of the F2 gene). This panel also detects thrombophilia associated with pathogenic variants in the MTHFR gene (c.665C>T and c.1286A>C).

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Lavender (EDTA), pink (K2EDTA) or yellow (ACD solution A or B).

Specimen Preparation

Transport 4 mL whole blood. (Min: 3 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Plasma or serum; collection of specimen in sodium heparin tubes. Frozen specimens in glass collection tubes.

Remarks
Stability

Ambient: 72 hours; Refrigerated: 1 week; Frozen: 1 month.

Methodology

Polymerase Chain Reaction (PCR)
Fluorescence Monitoring

Performed

Sun-Sat

Reported

2-6 days

Reference Interval

Interpretive Data

Refer to report

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

81240; 81241; 81291

Components

Component Test Code* Component Chart Name LOINC
* 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

  • FVL R506Q, MTHFR, and Factor II mutation panel
  • Hypercoag
  • Hypercoagulable Panel
Thrombotic Risk, DNA Panel