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Test Code 4784 Factor XIII, Qualitative, Plasma

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Clot Solubility

Literature References:

Sirridge MS. Detection of Factor XIII activity. Lea & Febiger, 1974;150-1.

Specimen Requirements

Specimen Type: Plasma

Container/Tube: Light-blue top (citrate)

Specimen Volume: 1 Full tube

Specimen Minimum Volume: Full tube

Collection Instructions: 

1. Draw a discard tube prior to light-blue top (citrate) tube.
2. Tube should remain stoppered.
3. Do not centrifuge.
4. Clotted blood or an insufficient specimen is not acceptable.
5. Avoid hemolysis and heparin contamination of specimen.
Analyte Stability:
4 hours at 18° C to 24° C if the top has not been removed.
2 hours at 18° C to 24° C after the top has been removed.
Platelet-free plasma can be stored 6 months at -70° C.
Additional Information: If the patient is a hospital patient and the hematocrit is >55%, call Barnes-Jewish Hematology Laboratory at 314-362-5203 for instructions.

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:
STAT: not available
Routine: 36 Hours from receipt in laboratory (24 hours incubation required)

Reference Values

Normal

Literature References:

1. Duckert F, June E, Shmerling DH. A hitherto undescribed congenital hemorrhagic diathesis probably due to fibrin stabilizing factor deficiency. Thromb Diath Haemorrh 1960;5:179.

2. Finlayson JS. Crosslinking of fibrin. Sem Thromb Hemost 1974;1:33-62.

3. Sirridge MS. Detection of Factor XIII activity. Lea & Febiger, 1974;150-1.

Test Classification and CPT Coding

85291

Additional Information

For BJH Laboratory Use Only
Analyte Stability:

4 hours at 18° C to 24° C if the top has not been removed.
2 hours at 18° C to 24° C after the top has been removed.
Platelet-free plasma can be stored 6 months at -70° C.

Specimen cannot be frozen or refrigerated.

Laboratory Processing Instructions:

Test performed in BJH Hematology.

Specimen Transport Temperature

Ambient/Refrigerate NO/Frozen Yes

LOINC Code Information

Name LOINC Code
Factor XIII, Qualitative, Plasma 3241-7