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Test ID: HEPN
Heparin Anti-Xa Assay, Plasma

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Secondary ID A test code used for billing and in test definitions created prior to November 2011

80609

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

> or =18 years

UFH therapeutic range: 0.30-0.70 IU/mL

LMWH therapeutic range:

0.50-1.00 IU/mL for twice daily dosing

1.00-2.00 IU/mL for once daily dosing

(sample obtained 4-6 hours following subcutaneous injection)

 

> or =8 weeks-17 years

UFH therapeutic range: 0.30-0.70 IU/mL

LMWH therapeutic range: 0.50-1.00 IU/mL (sample obtained 4-6 hours following subcutaneous injection)

LMWH prophylactic range: 0.10-0.30 IU/mL

 

<8 weeks

Reference values have not been established for patients who are less than 8 weeks of age.



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