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Heparin-Induced Thrombocytopenia (HIT) Antibodies, PF4 IgA and IgM by ELISA
2007145
Ordering Recommendation

Not recommended to screen for heparin-PF4 antibodies that cause HIT; preferred test is Heparin-Induced Thrombocytopenia PF4 Ab, IgG (2012179).

Mnemonic
HIT ABS AM
Methodology
Enzyme-Linked Immunosorbent Assay
Performed
Varies
Reported
3-7 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Plain red. 
Specimen Preparation
Transfer 5 mL serum to ARUP Standard Transport Tubes. (Min: 1 mL) 
Storage/Transport Temperature
Frozen. Also acceptable: Refrigerated. 
Unacceptable Conditions
 
Remarks
 
Stability
Ambient: Unacceptable; Refrigerated: 1 week; Frozen: Indefinite 
Reference Interval
By report
Interpretive Data


Note
CPT Code(s)
86022 x2
Components
Component Test Code*Component Chart NameLOINC
2007146HIT Abs, PF4 IgA
2007147HIT Abs, PF4 IgA - High Dose
2007148HIT Abs, PF4 IgA - Result
2007149HIT Abs, PF4 IgA - Interpretation
2007150HIT Abs, PF4 IgM
2007151HIT Abs, PF4 IgM - High Dose
2007152HIT Abs, PF4 IgM - Result
2007153HIT Abs, PF4 IgM - Interpretation
* 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

Performed at Blood Center of Wisconsin, Inc.