Factor 8 Thrombosis Panel

General Information

Lab Name

Factor VIII Thrombosis Panel 1

Lab Code

F8THR1

Epic Ordering

Factor VIII Thrombosis Panel

Description

**Laboratory Medicine resident's approval is required for hospital inpatients and patients in Emergency Department.**

Persistent elevation of plasma factor VIII levels with normal C-reactive protein have been associated with increased risk for venous thromboembolism. It also predisposes to recurrent venous thromboembolism.

Synonyms

Components

Code	Name
CHRF8	Chromogenic Factor VIII
HSCRP	CRP, high sensitivity

Interpretation

Reference Range: See individual components
Interferences and Limitations: See individual tests

Ordering & Collection

Specimen Type: Blood
Collection: HMC and UW-MT Onsite Locations:Collect Blood in each of the following tubes: Preferred:4 mL blood in LIME GREEN PST tube PLUS 2.7 mL BLUE TOP tube
Also Acceptable: 4 mL blood in GOLD SST, ORANGE RST, RED TOP, GREEN TOP or LAVENDER TOP PLUS 2.7 mL BLUE TOP

Offsite Clinic or Other Locations: Collect Blood in each of the following tubes: Preferred:4 mL blood in GOLD SST tube PLUS 2.7 mL BLUE TOP tube
Also Acceptable: 4 mL blood in ORANGE RST, LIME GREEN PST, RED TOP, GREEN TOP or LAVENDER TOP PLUS 2.7 mL BLUE TOP
Handling Instructions: The Laboratory MUST process specimen, within 4 hrs of blood collection.
Quantity: requested: Entire sample

Processing

Processing: ** SPS will call for Laboratory Medicine Resident’s approval for hospital inpatients and patient’s in Emergency Department.** Approval is NOT required for hospital outpatients, clinic patients or outside clients.

UW-MT/HMC: Centrifuge RED, SST, GREEN or LAVENDER tube. Refrigerate serum/plasma. Take blue top to Coag lab for processing.

Outside locations: Centrifuge RED, SST, GREEN or LAVENDER tube. Refrigerate serum/plasma.

Centrifuge Blue top for 10 minutes, remove plasma & re-spin plasma for another 10 minutes. Decant & Freeze plasma (minimum 1.0 mL) @ -20°C to -80°C. Send frozen on dry ice.

Performance

LIS Dept Code

Performing Location(s)

HMC	See Individual Tests
UW-MT	See Individual Tests

Frequency

CHRF8: Monday and Thursday. Result end of day. HSCRP: Daily

Available STAT?

Billing & Coding

CPT codes: 85130, 86140
LOINC: 18720-3