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.
Specimen Required
Patient Preparation
Collect
Plain red.
Specimen Preparation
Transfer 5 mL serum to ARUP Standard Transport Tubes. (Min: 1 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Storage/Transport Temperature
Frozen. Also acceptable: Refrigerated.
Unacceptable Conditions
Remarks
Stability
Ambient: Unacceptable; Refrigerated: 1 week; Frozen: Indefinitely
Reference Interval
By report
Interpretive Data
Compliance Category
Performed by non-ARUP Laboratory
Note
Hotline History
N/A
CPT Codes
86022 x2
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2007146 | HIT Abs, PF4 IgA | |
2007147 | HIT Abs, PF4 IgA - High Dose | |
2007148 | HIT Abs, PF4 IgA - Result | |
2007149 | HIT Abs, PF4 IgA - Interpretation | |
2007150 | HIT Abs, PF4 IgM | |
2007151 | HIT Abs, PF4 IgM - High Dose | |
2007152 | HIT Abs, PF4 IgM - Result | |
2007153 | HIT 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
Heparin-Induced Thrombocytopenia (HIT) Antibodies, PF4 IgA and IgM by ELISA
Versiti Wisconsin, Inc