Warfarin and Cytochrome p450 Polymorphism | Medical Algorithm

Warfarin for Polymorphism in Cytochrome P450 (CYP) CYP2C9 | Medical Algorithm

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Info

Are you evaluating a patient who is receiving warfarin therapy?

Yes No

Daily warfarin dose requirement for the patient

Was the initial warfarin dose titration for the patient difficult?

Yes No

Has the patient had any unexplained bleeding while receiving a low dose of warfarin?

Yes No

Does the patient have any first degree relatives who have had problems associated with warfarin therapy?

Yes No

Warfarin for Polymorphism in Cytochrome P450 (CYP) CYP2C9 | Medical Algorithm

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Purpose:

To identify a patient receiving warfarin therapy who may have a variant allele at cytochrome P450 CYP2C9 resulting in poor drug metabolism.

Specialty

Objective

ICD-10

References

Interpretation and Description

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