Prekallikrein PREKALL SCREEN

Synonyms

Allscripts (AEHR) Order Name

Fletcher Factor Assay

Sunrise Clinical Manager (SCM) Order Name

Prekall Screen

EPIC Order Name

Prekallikrein Screen

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

Result Interpretation

24.5 - 36.6  seconds

Forms