Ordering Recommendation

A follow-up test for decreased fibrinogen activity to determine if the decrease is due to insufficient fibrinogen or dysfunctional fibrinogen.

Mnemonic

FIBAG

Methodology

Radial Immunodiffusion

Performed

Sun-Sat

Reported

2-4 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation

Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)

Storage/Transport Temperature

CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

Serum. EDTA plasma, clotted or hemolyzed specimens.

Remarks
Stability

Ambient: 8 hours; Refrigerated: Unacceptable; Frozen: 1 month

Reference Interval

149-353 mg/dL

Interpretive Data



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

85385

Components

Component Test Code* Component Chart Name LOINC
0030135 Fibrinogen Ag 3256-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Factor I
  • Factor I Antigen
  • Fibrinogen
  • Fibrinogen Antigen
Fibrinogen Antigen