APC (activated protein C) Resistant Factor V Leiden APCF5

Method(s) Clot Detection
Specimen Required
Collect

One adequately filled 3.0 mL light blue (sodium citrate) top tube.

Transport

**TIME SENSITIVE** For specimens that cannot be shipped to the laboratory to arrive within 4 hours of collection, see Collection and Processing of Coagulation Specimens information (link below).

Remarks

Draw blood into citrate tube (light blue) filled to the proper level (1 part anticoagulant to 9 parts blood). Invert tube 3-4 times to avoid clotting.

Stability Ambient and Refrigerated: 4 hours; Frozen platelet poor plasma: 2 weeks
Unacceptable Conditions

Specimens that are clotted, hemolyzed, collected in the wrong tube, less than 90% filled, or exceed the stability limits are not acceptable for testing.

Schedule Tue, Fri
Billing Code 4010109
CPTCode 85307
Notes APC Resistant Facor V Leiden will be performed on ALL Factor V Leiden requests unless specifically ordered as PCR. Levels of Protein C below 50% may give low Factor V Leiden Assay ratios.
Preferred Specimen Collection Device(s)
Reference Interval

See Laboratory Report.

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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