Test Details

Mnemonic

WVFAP

Ordering Code

3619000

CPT-4 Code(s)

85246

Specimen Information

Patient Preparation

Follow coagulation test collection methods in appendices.

Collect

Light blue sodium citrate

Specimen Preparation

Send 1.5 mL plasma in a screw capped plastic vial. CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Minimum Volume

1.0 mL

Transport Temperature

Critical frozen

Rejection Criteria

Serum, non-frozen or hemolyzed specimens, EDTA plasma

Stability

Room temperature: 4 hours
Refrigerated: Unacceptable
Frozen: 3 months

Methodology

Microlatex Particle-Mediated Immunoassay
more

Reference Range

0 - 6 years: 52 - 214%
7 - 9 years: 62 - 180%
10 - 11 years: 63 - 189%
12 - 13 years: 60 - 189%
14 - 15 years: 57 - 199%
16 - 17 years: 50 - 205%
18 years and older: 52 - 214%
more

Performing Laboratory

ARUP
more

New York DOH Approval Status

Yes
more