COAGULATION FACTOR XII ACTIVITY ASSAY, PLASMA
Marquette General Health System
Alpha Code |
FAC12 | |
MGH LIS Test No |
999 | |
Schedule |
Monday through Friday | |
Testing Time |
1 day | |
Testing Lab |
Mayo Labs | |
QORR Test Code |
FAC12 | |
Type |
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Volume |
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Temperature |
Frozen | |
Preservative |
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Collection Info |
See special instructions on "Coagulation Studies." 1. Draw blood in light blue-top (citrate) tubes. Spin down, remove plasma, spin plasma again, and place 1.0 mL of citrate platelet- poor plasma in plastic vial. (Glass vials cannot be accepted.) NOTE: A. Patient must not be receiving heparin. therapy. B. Double-centrifuged specimens are critical for accurate results as platelet contamination may cause spurious results. 2. For factors V, VIII, XI, and XII, draw blood in light blue-top (citrate) tube as a control specimen from a normal, unrelated person at the same time. Spin down, remove plasma, spin plasma again, and place 1.0 mL of citrate platelet-poor plasma in plastic vial. Label clearly on outermost label NORMAL CONTROL. NOTE: Double-centrifuged specimens are critical for accurate results as platelet contamination may cause spurious results. 3. Freeze patient and control specimens immediately at < or = -40 degrees C, if possible. 4. Send patient and control specimens frozen on dry ice in the same shipping container. shipping container. NOTE: Each coagulation assay requested should have its own separate set of patient and control vials. 5. If priority specimen, mark requisition, give reason, and request a call-back. NOTE: Please complete a "Coagulation Request Form" and forward it with the specimen. This form is supplied by Mayo Medical Laboratories. Requisitions for this procedure cannot be processed unless the information requested is supplied. |
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Clinical Utilities CPT Codes Reference Range
85280
Adults: 60-160%
Normal, full-term newborn infants or healthy premature infants may
have decreased levels (> or = 15-20%) which may not reach adult
levels for > or = 180 days postnatal.
Component Information
Additional Comments Questions or Comments email support@mgh.org
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