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Test Code FACT13 ACT Factor XIII Activity

Performing Laboratory

Quest Diagnostics Nichols Institute

San Juan capistrano, CA




Specimen Required

Container/Tube: Light blue-top (3.2% sodium citrate) tube

Specimen: 0.5 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.

Reference Values

57 - 192 %

Test Classification and CPT Coding


Day(s) and Time(s) Performed

Thursday a.m.

Useful For

Low Factor XIII levels, i.e., <15%, may cause a bleeding disorder and levels <2% have been associated with spontaneous introcranial hemorrhage

Computer Interface Code

PDM # 1459877