Clinics and Departments

Laboratory Services

Lab Dept:

Coagulation

Test Name:

FIBRINOGEN (FAIRVIEW UNIVERSITY)

General Information

Lab Order Codes:

FIUM

Synonyms:

Clauss Fibrinogen; Plasma Fibrinogen; Fibrinogen Activity

CPT Codes:

85384 – Fibrinogen; activity

Test Includes:

Fibrinogen Activity reported in mg/dL.

Logistics

Test Indications:

Used for identifying congenital afibrinogenemia, dysfibrinogenemia, disseminated intravascular coagulation (DIC), fibrinolytic activity and severe liver disease.

Lab Testing Section:

Coagulation - Sendouts

Referred to:

Fairview University Medical Center (Test: FIBR)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 day

Special Instructions:

Deliver immediately to the laboratory; indicate when specimen is drawn from a line or a heparin lock.

Specimen

Specimen Type:

Whole blood

Container:

Light Blue top tube (Buffered Na Citrate 3.2%)

Draw Volume:

2.7 mL blood in a 3 mL tube (Minimum: 1.8 mL blood in a 2 mL tube)

Processed Volume:

0.9 mL (Minimum: 0.5 mL) plasma

Collection:

A clean venipuncture is essential.

Do Not use the first 2 mL of blood collected.

Patient’s with hematocrit levels >55% must have a special tube made to adjust for the hematocrit; contact laboratory for special tube.

Mix by gentle inversion.

Special Processing:

Lab Staff: Do Not process.

If more than 24 hours is required for transport, contact Fairview University for processing instructions.

Ship at room temperature.

Must arrive within 24 hours.

Patient Preparation:

None

Sample Rejection:

Improper tube; clotted samples; underfilled tubes; overfilled tubes; mislabeled or unlabeled specimens

Interpretive

Reference Range:

200 – 420 mg/dL

Critical Values:

<150 mg/dL

Limitations:

This method is sensitive to functional fibrinogen and insensitive to nonclottable fibrinogen and fibrin derivatives.

Methodology:

Electromagnetic clot detection

References:

Fairview University Medical Center Web Page http://labguide.fairview.org/diagnostic.asp

Updates:

5/21/2004: Reference range updated to 200 – 420 mg/dL for all ages. Previously listed as 170 – 370 mg/dL for patients greater than or equal to one year of age.
5/24/2010: Tubing patient specimens is no longer prohibited.



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