Prekallikrein Screen Build info

Synonyms

• PREKALLIKREIN FACTOR ACTIVITY
• FLETCHER FACTOR ASSAY
• LAB1114

Short Name

PREKALLIKREI

Procedure Master Number

LAB1114

Procedure ID

56338

Clinical Info

Specimen Type

Blood

Container

Blue Top Tube

Collection Instructions

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

Transport Instructions

Frozen

Specimen Stability

Methodology

Clotting- Beckman/Coulter/IL/ACL Top

Days Performed

Monday through Friday

Performing Laboratory

Northwell Health Laboratories

CPT

85292

PDM

5606000

Results