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



No compliance statements are in use for this test.

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

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