|
|
General
|
| |
Clinical Use:
|
Protein S is a vitamin K dependent protein that functions as a natural inhibitor of coagulation. Decreased levels are a risk factor for thrombosis.
Protein S levels are affected by oral anticoagulants. Testing should be done at least 2 weeks post-cessation of warfarin therapy. |
| |
Availability:
|
Samples are batched and tested once a week. |
| |
Aliases/Synonyms:
| PS, |
| |
Code:
|
PROTS |
| |
Handling Instructions (to laboratory):
|
Send whole sample ambient.
Send separated sample frozen on dry ice. |
| |
Hyperlink:
|
|
| |
Reference Interval:
|
0-1days 12-60%
2-5 days 22-78%
6-30 days 33-93%
31-90 days 54-118%
91 days-5 months 55-119%
6 months-adult(Male) 70-150% 6 months-adult (Female) 55-150%
|
Collection Requirements
|
| |
Container:
|
Sodium Citrate-3.2% (BLUE), |
| |
Sample Type:
|
See container |
| |
Minimum Collection Volume:
|
2.7mL |
| |
Collection Instructions:
|
If sample will not reach laboratory within 4 hours of collection, it must be centrifuged, separated and frozen. |
Processing Requirements
|
| |
Alternate Containers:
|
|
| |
Processing Instructions:
|
|
| |
Minimum Assay Volume:
|
0.5mL |
| |
Stability:
|
4 hours ambient |
| |
Transport Instructions (to testing laboratory):
|
Send separated sample frozen on dry ice. |
Testing Locations
|
| |
Performed at:
|
|
Section
|
Department
|
Site
|
Contact Phone
|
| Coagulation |
Haematology |
Fiona Stanley Hospital |
6152 8135 |
| Coagulation |
Haematology |
QEII Medical Centre |
6383 4006 |
|
Last Updated : 27-10-2020 21:43 |