Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Evaluate for possible factor II deficiency. For prothrombin variant testing (inherited thrombotic risk factor), order Prothrombin (F2) c.*97G>A (G20210A) Pathogenic Variant (0056060).
MnemonicUnique test identifier.
F2
MethodologyProcess(es) used to perform the test.
Electromagnetic Mechanical Clot Detection
PerformedDays of the week the test is performed.
Mon-Sat
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
1-3 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation
Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions
Serum, EDTA plasma, clotted or hemolyzed specimens.
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Age
Reference Interval
Age
Reference Interval
1-4 days
26-70%
7-9 years
78-125%
5-29 days
33-93%
10-11 years
78-120%
30-89 day
34-102%
12-13 years
72-123%
90-179 days
45-105%
14-15 years
75-135%
180-364 days
60-116%
16-17 years
77-130%
1-5 years
71-116%
18 years and older
86-150%
6 years
67-107%
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
No compliance statements are in use for this test.
NoteAdditional information related to the test.
Do not order for prothrombin mutation.
Hotline History
N/A
CPT CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* 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.
AliasesOther names that describe the test. Synonyms.
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