Ordering Recommendation

Assist in diagnosing dysfibrinogenemia.

New York DOH Approval Status

This test is New York state 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: 1.5 mL)

Storage/Transport Temperature

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

Unacceptable Conditions

Serum, EDTA plasma, clotted, grossly lipemic, or hemolyzed specimens.

Remarks
Stability

Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 1 month

Methodology

Electromagnetic Mechanical Clot Detection/Immunoturbidimetry

Performed

Sun-Sat

Reported

2-5 days

Reference Interval

Test Number
Components
Reference Interval
  Fibrinogen 150-430 mg/dL
  Fibrinogen Ag 149-353 mg/dL
  Fibrinogen Ratio Ag/Functional 0.59-1.23 ratio

Interpretive Data

A Fibrinogen Antigen/Functional Ratio of greater than 1.23 is suggestive of a dysfibrinogenaemia.

Compliance Category

Modified FDA

Note

Hotline History

N/A

CPT Codes

85384; 85385

Components

Component Test Code* Component Chart Name LOINC
0030130 Fibrinogen 3255-7
0030135 Fibrinogen Ag 3256-5
0030138 Fibrinogen Ratio Ag/Functional 31158-9
* 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

  • Dysfibrinogenemia
  • Factor I
  • Fibrinogen Antigen
  • Functional Fibrinogen
Fibrinogen Panel