Ordering Recommendation

Order to detect prothrombin c.*97G>A (G20210A) pathogenic variant.

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 3 mL whole blood. (Min: 1 mL)

Storage/Transport Temperature

Preferred transport temp: Refrigerated.

Unacceptable Conditions

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

Remarks

Counseling and informed consent are recommended for genetic testing. Consent forms are linked above.
New York Clients: informed consent is required with submission.

Stability

Room Temperature: 3 days; Refrigerated: 1 week; Frozen: 1 month

Methodology

Polymerase Chain Reaction (PCR) / Fluorescence Monitoring

Performed

Sun-Sat

Reported

2-5 days

Reference Interval

Interpretive Data

Refer to report.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

81240

Components

Component Test Code* Component Chart Name LOINC
0056060 Prothrombin (F2) G20210A Variant 24475-6
2001334 PT PCR Specimen 31208-2
* 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

  • F2 DNA assay
  • Factor II (PT) 20210 Variant
  • Prothrombin Gene Analysis
Prothrombin (F2) c.*97G>A (G20210A) Pathogenic Variant