0030075
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Factor V, Activity

F5
Example Reports
Low
Normal

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Specimen Collection and Handling

Ordering Recommendation

Evaluate for possible factor V deficiency. For factor V Leiden testing, order APC Resistance Profile with Reflex to Factor V Leiden (0030192) or Factor V Leiden (F5) R506Q Mutation (0097720).

New York DOH Approval Status

This test is New York state 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.

Remarks
Stability

Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 2 weeks

Methodology

Electromagnetic Mechanical Clot Detection

Performed

Mon-Sat

Reported

1-3 days

Reference Interval

Age Reference Interval Age Reference Interval
1-4 days 36-108% 7-9 years 69-132%
5-29 days 45-145% 10-11 years 66-136%
30-89 days 62-134% 12-13 years 66-135%
90-179 days 48-132% 14-15 years 61-129%
180-364 days 55-127% 16-17 years 65-131%
1-5 years 79-127% 18 years and older 62-140%
6 years 63-116%

Interpretive Data



Compliance Category

Standard

Note

Do not order for factor V Leiden.

Hotline History

N/A

CPT Codes

85220

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Components

Component Test Code* Component Chart Name LOINC
0030075 Factor V, Activity 3193-0
* 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

  • Proconvertin
  • Common Pathway Proteins, Factor V
  • F5
  • Labile Factor
  • Plasma Accelerator Globulin
  • Proaccelerin
Factor V, Activity