CBC
CBC explained
A Complete Blood Count measures red and white cells and platelets to evaluate anemia, infection, and many conditions.
Varies by laboratory (LDT/CLIA; not FDA‑approved as a drug)CBC helps treat
• Anemia screening
• Infection/inflammation clues
• Monitoring therapies
additional medications
• Related clinical evaluation and history
• Repeat testing to confirm abnormal results
• Additional targeted labs as recommended
medication risks
• False positives/negatives leading to unnecessary anxiety or missed diagnoses
• Privacy and insurance implications depending on results
• Pre‑analytical variables (fasting, meds) can affect accuracy
side effects
• Bruising or soreness at draw site
• Lightheadedness or fainting (rare)
• Infection at puncture site (very rare)
FAQs
Q: Fasting?A: Not required.
Q: What can affect results?
A: Dehydration, altitude, pregnancy, medications.
Q: Abnormal—what next?
A: Correlate clinically and consider repeats or differentials.
Q: Turnaround?
A: Often same day.
Q: Insurance?
A: Commonly covered.
