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Test Code LAB1113 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 blue top tube prior to drawing a light-blue top (citrated) tube if using a Winged Infusion Set.  Discard tube should be under filled and discarded.
  2. Clotted blood or an insufficient specimen is not acceptable.
  3. Avoid phlebotomy techniques which cause hemolysis and heparin contamination.
  4. Follow nursing policy on volume of blood to discard prior to collecting blood from indwelling heparinized catheters.

Analyte Stability:
4 hours at 18° C to 24° C.

Platelet-free plasma can be frozen at -20 for transport on dry ice up to 72 hours
or 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)

Test Classification and CPT Coding

85291

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.

Specimen Transport Temperature

Ambient Yes/Refrigerate NO/Frozen Yes

Additional Information

For BJH Laboratory Use Only
Analyte Stability:

4 hours at 18° C to 24° C.

Platelet-free plasma can be frozen at -20 for transport on dry ice up to 72 hours
or stored 6 months at -70° C.

 

Laboratory Processing Instructions:

Test performed in BJH Core Lab.

LOINC Code Information

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