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Test Code LABFX13M Factor XIII, Qualitative, with Reflex to Factor XIII 1:1 Mix

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic Mayo Test ID


Reporting Name

Factor XIII, Qual, w/Reflex 1:1 Mix

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
F13BO Factor XIII 1:1, Bill Only No, Billing Only No

Testing Algorithm

If Factor XIII 1:1 has a result of Lysis, then Factor XIII, 1:1 Mix will be performed at an additional charge.

Method Name


Performing Laboratory

ARUP Laboratories

Specimen Type

Plasma Na Cit

Specimen Required

Draw one 5 mL lt. blue (sodium citrate) tube. Separate immediately and submit 2 mL platelet-poor plasma, ship frozen.


Note: Critical frozen.  Separate specimens must be submitted when multiple tests are ordered.

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma Na Cit Frozen 14 days

Reject Due To

Hemolysis Mild OK; Gross reject
Lipemia NA
Icterus NA
Other Serum. Non-frozen or hemolyzed specimens

Reference Values

Factor XIII, Qualitative:   No Lysis

Factor XIII, 1:1 Mix:  Not Applicable

Day(s) and Time(s) Performed

Sunday through Saturday

CPT Code Information

85291/Factor XIII

85291/1:1 Mix (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FX13M Factor XIII, Qual, w/Reflex 1:1 Mix 3241-7


Result ID Test Result Name Result LOINC Value
Z2637 Factor XIII, Qualitative 3241-7
Z2638 Factor XIII, 1:1 Mix 3241-7

Analytic Time

2 - 3 days