Sorted By Test Name - Mayo Medical Laboratories

FHPCF
91658
HIT
81904
preparations -In presence of prolonged baseline activated partial thromboplastin time (APTT) (eg, lupus
anticoagulant, "contact factor" deficiency, etc.) -When unfractionated heparin dose needed to achieve
desired APTT prolongation is unexpectedly higher (>50%) than expected
Interpretation: Therapeutic ranges: Adults > or =18 years -Standard heparin (UFH): 0.30 to 0.70
IU/mL -Low molecular weight heparin (LMWH): 0.50 to 1.00 IU/mL for twice daily dosing (sample
obtained 4-6 hours following subcutaneous injection) or 1.00 to 2.00 IU/mL for once daily dosing (sample
obtained 4-6 hours following subcutaneous injection) Children 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