Factor IX, Activity

0030100
copy
 

Copy Utility


emailprint
Example Reports
Low
Normal

Ordering Recommendation

Order to diagnose factor IX deficiency (hemophilia B) and monitor factor IX replacement therapy.

Mnemonic

F9

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 15-91% 7-9 years 70-133%
5-29 days 15-91% 10-11 years 72-149%
30-89 days 21-81% 12-13 years 73-152%
90-179 days 21-113% 14-15 years 80-161%
180-364 days 36-136% 16-17 years 86-176%
1-5 years 47-104% 18 years and older 78-184%
6 years 63-89%

Interpretive Data



Compliance Category

Standard

Note

Hotline History

N/A

CPT Codes

85250

Are you an ARUP Client? Click here for your pricing.

Components

Component Test Code* Component Chart Name LOINC
0030100 Factor IX, Activity 3187-2
* 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

  • Antihemophilic Factor B
  • Christmas Factor
  • Coagulation Factor IX Activity Assay, Plasma
  • Intrinsic Factor Proteins
  • Intrinsic Factors
  • Plasma Thromboplastin Component
  • PTC
Factor IX, Activity