Prekallikrein Screen

Synonyms

  • FLETCHER FACTOR ASSAY
  • LAB1114
  • PREKALLIKREIN FACTOR ACTIVITY

Cerner Name

Prekallikrein

Clinical Info

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

5 mL citrated plasma

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 Laboratories

Northwell Health Laboratories

CPT

85292

PDM

5606000

Results
Component Name Base Name Common Name External Name
PREKALLIKREIN DEF PLASMA PREKALLDEF PREKALLIKREIN DEF PLASMA Prekallikrein Def Plasma
PREKALLIKREIN/NPP PREKALLNPP PREKALLIKREIN NPP Prekallikrein/Npp
PREKALLIKREIN/PAT PREKALLIPAT PREKALLIKREIN PAT Prekallikrein/Pat
APTT 10 FOR PREKALLIKREIN APTTPREK APTT 10 FOR PREKALLIKREIN APTT 10 For Prekallikrein
APTT 15 FOR PREKALLIKREIN APTTPREK APTT 15 FOR PREKALLIKREIN APTT 15 For Prekallikrein

Result Interpretation

26.1 - 37.8  seconds

 

Forms
Hematology LAB1114 build edit