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Test Code FAC7 Factor VII

Additional Codes

Epic EAP: LAB305

Epic Description: FACTOR 7 ASSAY

Synonym

Factor VII Assay

Factor VII Activity

Specimen Type

Blood

Specimen Required

 

 

  Collection Container Preferred Volume Minimum Volume
Preferred

Light Blue, Sodium Citrate

1 X 2.7 mL 1.8 mL

 

Specimen Stability

Specimens are stable 3 hours at 15-25°C or 4 weeks at -20°C.

Instructions for Collection and Transport

Must be in CSR within one hour of collection.

If the patient’s known hematocrit value is above 55%, an adjustment of the ratio of anticoagulant to blood is necessary. Call the laboratory for a special collection tube for that hematocrit value. Centrifuge ASAP at 3,000 rpm’s for 15 minutes. Aliquot plasma into two plastic vials. Freeze specimen. Transport frozen on dry ice. Do not thaw.

Home Health Agencies:Transport to lab within 1 hour.

Aliquot Requirements

CITRATED Plasma

Optimum 2 X 1.0 mL

Minimum 400 uL

Performing Lab

Hematology Lab

Assay Frequency

Monday thru Friday (8:00 am- 2:00 pm)

Routine Turnaround Time

1-2 days, excluding weekends and holidays

CPT Code Information

85230