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Factor 12

Performing Laboratory

Charleston Area Medical Center, Inc.

Methodology

Clot detection

Specimen Requirements

Collect 3 mL blue top (3.2% sodium citrate) plasma.   Tubes must be full draw.    Specimens must be spun two times to ensure plasma is platelet poor.   Specimens are stable at room temperature for 4 hours.   Platelet free plasma may be frozen in plastic tubes for 2 weeks.

Availability

Monday - Friday    7 am to 2:30 pm

Test Includes

Coagulation Factor 12

Functional Factor 12 Assay

Reference Ranges

50 - 150 % activity

CPT Codes

85280