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Most routine blood tests do not require prolonged fasting
A medical review indicates that most routine blood tests do not require patients to fast for extended periods beforehand, challenging a long-standing instruction commonly given before blood draws. Commenters are discussing which tests genuinely require fasting and how outdated guidance may add unnecessary inconvenience for patients awaiting routine screenings.
Why now: The finding contradicts long-standing patient guidance about fasting before blood work, prompting discussion about updating clinical practice.
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- Most routine blood tests do not require prolonged fasting · 2 Minute Medicine
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