Fibrinogen antigen

Alphabetical Test listing

Fibrinogen antigen-994

Test name:

Fibrinogen antigen

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Factor I antigen
Fibrinogen level

Useful for:

Diagnosis of homozygous and heterozygous fibrinogen deficiency as well as dysfibrinogenemia
Diagnosis of disseminated intravascular coagulation
One (1) to three (3) fibrinogen levels can be used to assess the effectiveness of thrombolytic therapy

Specimen type:

EDTA plasma

Collection container:

Lavender (EDTA), 4mL

Volume:

1.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Immediatley following collection, mix sample thoroughly by gently inverting 8 - 10, times to prevent clotting

Processing instructions:

Spin
Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as EDTA plasma
Freeze within 24 hours of sample collection

Transport container:

Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp)

Alternate specimen type:

Sodium citrate (Na cit) plasma (3.2%)

Alternate collection container:

Lt blue Sodium citrate (NaCit)

Alternate collection instructions:

Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Alternate processing instructions:

Spin
Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as Na cit plasma
Freeze within 24 hours of sample collection

Transport and stability:

Frozen (preferred) - 1 year

Refrigerated - 8 days

Reason for rejection:

Microbially contaminated samples
Hemolysis
Gross lipemia that cannot be cleared by ultracentrifugation
Serum

Performing lab:

LabCorp Burlington (117052): R-NX

Days set up:

Mo - Fr

TAT:

6 days

Method:

Immunonephelometry

Reference ranges:

Age	Male (mg/dL)	Female (mg/dL)
0 - 1 year	116 - 349	116 - 349
2 - 5 years	176 - 354	189 - 395
6 - 17 years	191 - 416	191 - 416
18 - 50 years	206 - 478	206 - 478
>50 years	233 - 496	233 - 496

Results that require action (critical):

<80 mg/dL or >999 mg/dL

CPT codes:

85385

LOINC code:

Result 42772-4

Date created:

05/20/2019

Revised date:

07/25/2022

Review date:

03/31/2022