Fibrinogen Antigen
Ordering Recommendation
A follow-up test for decreased fibrinogen activity to determine if the decrease is due to insufficient fibrinogen or dysfunctional fibrinogen.
Methodology
Quantitative Immunoturbidimetry
Performed
Tue, Fri
Reported
2-4 days
New York DOH Approval Status
Specimen Required
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Serum. EDTA plasma, clotted, grossly lipemic, or hemolyzed specimens.
Ambient: 8 hours; Refrigerated: Unacceptable; Frozen: 1 month
Reference Interval
149-353 mg/dL
Interpretive Data
Modified FDA
Note
Hotline History
CPT Codes
85385
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0030135 | Fibrinogen Ag | 3256-5 |
Aliases
- Factor I
- Factor I Antigen
- Fibrinogen
- Fibrinogen Antigen