Factor XII, Activity : ARUP Lab Tests

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Factor XII, Activity : 0030115

Mnemonic: F12

Methodology:	Clotting
Performed:	Mon-Fri
Reported:	1-4 days
Specimen Required:	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. Remarks: Unacceptable Conditions: Serum. Non-frozen or hemolyzed specimens. Stability (collection to initiation of testing): Ambient: 4 hours; Refrigerated: 4 hours; Frozen: 2 weeks

Reference Interval: 58-166%
CPT Code(s):	85280
Cross References:	Coagulation Factor XII Activity Assay, Plasma (Factor XII, Activity), Hageman Factor (Contact Factor) (Factor XII, Activity), Intrinsic Factor Proteins (Factor XII, Activity), Intrinsic Factors (Factor XII, Activity), Surface Factor (Factor XII, Activity)

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