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Test Code FACTOR VII Factor VII Assay, Plasma

Performing Laboratory

Northwell Health Laboratories

Methodology

Clotting-IL-ACL® TOPS

Reference Values

50-165%

Test Classification and CPT Coding

85230

Specimen Required

Container/Tube: Light blue-top (3.2% sodium citrate) tube

Specimen: 0.5 mL citrated plasma

Transport Temperature: Frozen

Collection Instructions:

1. If no other tube is drawn, draw a discard tube.

2. If there is a delay in transport, spin down, spin plasma again, and send citrate platelet-poor plasma. Double-centrifuged specimens are critical for accurate results as platelet contamination may cause spurious results.

3. Fill tube completely.

4. Mix by gently inverting several times.

5. Send aliquot frozen.

Day(s) and Time(s) Performed

Monday through Friday

Computer Interface Code

PDM # 5500610