Test Code PTDNA PROTHROMBIN GENE (G20210A), BLOOD

Important Note

This test may require pre-authorization or have limited coverage. Please check with your appropriate insurance carrier to determine any specific requirements.

Additional Codes

Software	Test Code
Label Text	PTDNA
EPIC	LAB10315

Performing Laboratory

NorDx Laboratories

Useful For

Aiding in the investigation of Coagulation disorders (zygosity is determined)

Method Name

Polymerase Chain Reaction (PCR) with DNA probes

This assay is a lab developed test established by the NorDx Molecular Pathology Laboratory. This laboratory is certified under the Clinical Laboratory Improvement Amendments (CLIA) as qualified to perform high complexity clinical laboratory testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.

Reference Values

Negative or Positive with zygosity

Days and Times Test Performed

Wednesday

Evenings

Report Available

1 Day

Specimen Type

Whole Blood

Preferred Container

Lavender Top Tube (EDTA)

Preferred Volume

Whole Blood: 2.0 mL (Lavender Top Tube (EDTA))

Minimum Volume

Collecting minimum volumes can result in a need for sample recollection, and/or a delay in results. Minimum volumes are subjective and cannot account for all aspects of specimen and testing needs. Refer to the Preferred Volume section for optimal volumes for laboratory specimens.

Whole Blood: 0.5 mL (Lavender Top Tube (EDTA))

Specimen Collection and Handling

1. Send blood at ambient temperature or refrigerated.

2. Sample must arrive within 7 days of draw.

Specimen Stability Information

Specimen Type: Whole Blood

Refrigerated: 7 Days

Room Temp: 7 Days

Add On Capable

Yes

Advance Beneficiary Notice Requirements

This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.

CPT Code Information

CPT Code	CPT Description	CPT Disclaimer
81240	F2 (Prothrombin, Coagulation Factor Il) Gene Analysis, 20210G>A Variant

Keywords

PROTHROMBIN GENE MUTATION

PT (PROTHROMBIN) GENE

Performing Laboratory Location