Specimen:

Serum

Collection Medium:

Minimum:

1 mL serum

Testing
Schedule:

0800-1630 Monday through Friday.

Analytic Time:

See comments

Reference Range:

Negative

Critical value: Positive

Comments:

Same day service Monday through Friday if specimen is received by 1 
p.m.

Methodology:

Enzyme Linked Immunosorbant Assay (ELISA) used to detect antibodies to 
Platelet Factor 4

Sample
Processing:

Centrifuge within two hours of draw time.
Aliquot serum/plasma into plastic container and cap (glass is not 
acceptable).
Label transport tube with two patient identifiers, date and time of 
collection.

Sample
Storage:

Freeze specimen immediately.

Transport
Instructions:

Place specimen into zip-lock type bag, seal bag.
Place requisition into outside pocket of bag.
Place dry ice on top of specimen in styrofoam container.

CPT Code:

86022