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HelpTest Code FXIII Factor XIII, qualitative
Laboratory Code
LAB1113
Specimen Requirements
Submit only one of the following specimens
Specimen Type: Whole Blood
Container/Tube: 2 Light Blue Top (3.2% Sodium Citrate)
Volume: 2 × 2.7 mL Whole Blood (Tubes must be full)
Collection Instructions: Send whole blood specimens to laboratory immediately.
Specimen Type: Platelet Poor Plasma
Container/Tube: 2 Light Blue Top (3.2% Sodium Citrate)
Submission Container/Tube: Plastic Vial
Minimum Volume: 1.0 mL Plasma
Collection Instructions:
1. Light blue top tube must be properly filled with whole blood.
2. Whole blood specimen should be double centrifuged and plasma separated from cells within 1 hr of collection.
3. Plasma should be separated into 2 aliquots with minimum volume of 1.0 mL each.
4. Freeze the aliquots in well-closed plastic tubes immediately.
Specimen Stability
| Specimen Type | Plasma |
|---|---|
| Ambient | 4 hours |
| Refrigerate | 4 hours |
| Frozen | 14 days |
Methodology
Clot Solubility
Days and Times Performed
24 hrs, TAT 3 day
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Gross Icterus | Reject |
| Gross Lipaemia | Reject |
| Others: Clotted or insufficient specimen | Reject |
Reference Interval
> 1 % (Normal)
Testing Laboratory
National University Hospital
Haematology, 67725320
Useful For
Diagnosis of delayed bleeding.
Service Code
12407
LOINC Code Information
3241-7
Alias
Factor XIII
Factor 13
Update
Last updated 21/03/2025