Ordering Recommendation

Evaluate for possible factor VII deficiency.

Mnemonic
F7
Methodology

Electromagnetic Mechanical Clot Detection

Performed

Mon-Sat

Reported

1-3 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: 4 hours; Refrigerated: Unacceptable; Frozen: 2 weeks

Reference Interval
Age Reference Interval Age Reference Interval
1-4 days 28-104% 7-9 years 67-145%
5-29 days 35-143% 10-11 years 71-163%
30-89 days 42-138% 12-13 years 78-160%
90-179 days 39-143% 14-15 years 74-180%
180-364 days 47-127% 16-17 years 63-163%
1-5 years 55-116% 18 years and older 80-181%
6 years 52-120%

Interpretive Data



Compliance Category

Standard

Note
Hotline History
N/A
CPT Codes

85230

Components
Component Test Code* Component Chart Name LOINC
0030080 Factor VII, Activity 3198-9
* 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
  • Extrinsic Factor Proteins
  • F7
  • Proconvertin
  • Serum Prothrombin Conversion Accelerator
  • SPCA
  • Stable Factor
Factor VII, Activity