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Test Code LAB3367 Cardiac Fibrinogen, Plasma

Additional Codes

Mayo Test Code: CFIBR

Useful For

Evaluating risk of atherosclerosis and adverse events related to atherosclerotic disease

Reporting Name

Cardiac Fibrinogen, P

Specimen Type

Plasma EDTA

Specimen Required

Patient Preparation: Fasting (12 hours preferred but not required)

Collection Container/Tube: Lavender top (EDTA)

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Spin down and separate plasma from cells within 4 hours of draw.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Refrigerated (preferred) 7 days
  Frozen  30 days
  Ambient  72 hours

Reject Due To


Mild reject; Gross reject


Mild OK; Gross reject


Mild OK; Gross reject



Reference Values

<340 mg/dL 1st quartile (low risk)

340-390 mg/dL 2nd quartile

391-450 mg/dL 3rd quartile

>450 mg/dL 4th quartile (high risk)

Day(s) and Time(s) Performed

Monday through Friday; 8 a.m.

Performing Laboratory

Mayo Medical Laboratories in Rochester

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
CFIBR Cardiac Fibrinogen, P 3255-7


Result ID Test Result Name Result LOINC Value
CFIBR Cardiac Fibrinogen, P 3255-7

Method Name



If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen (