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Catalog ID Factor XI Factor XI

CPOE Test Name

Factor XI Level

Synonyms

Antihemophilic Factor C

Specimen Type

Plasma

Specimen Requirements

Light Blue Top (Sodium Citrate) tube; 2.7 mL blood

Storage and Transport

Room temperature. Transport to the lab immediately.

Special Instructions

Always allow blue top/citrate tubes to fill completely.

Causes for Rejection

Tube improperly filled; specimen clotted; hemolysis; improper labeling; insufficient volume; delay in transport

Reference Range

50 – 150%

Critical Values

< 3%

Turn Around Time

batch testing

Performing Lab

Core Laboratory BI 2023 721-2120

Test Consists

Quantification of Factor Activity level

CPT/HCPCS Code

85230

CPT / HCPCS Code

85270