Search
Close this search box.

Factor VIII Activity

Specimen:

Collect

  • Two Blue Top (Na Citrate)

Submit

  • 2 mL (Min:1 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.

Special Handling

  • Critical Frozen
  • Separate aliquot required for each frozen test ordered
  • For hemophiliacs: note dose, date, and time of last factor VIII concentrate infusion.

Stability

Ambient: 4 Hour(s); Refrigerated: Unacceptable; Frozen: 3 Month(s); Incubated: Unacceptable

Methodology

  • Clotting

Performed

Mon-Sat

Reported

2-5 Day(s)

CPT Codes

  • 85240

Components

  • 93042 - FACTOR VIII ACT.
Last Updated: October 7, 2024 @ 9:13 am

Disclaimer:

It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date.
Updated test information can only be guaranteed by using this website.

Choose the Right Test

ARUP Consult® assists with test selection and interpretation

How to Label Your Sample

  • Label Your Test 1
  • Label Your Test 2
  • Label Your Test 3
  • Label Your Test 4
  • Label Your Test 5

Common Test Phrases

  • Label Your Test 1
  • Label Your Test 2
  • Label Your Test 3
  • Label Your Test 4
  • Label Your Test 5

Common Lab Definitions

  • Serum 
  • Plasma 
  • STT