Can blood tests be wrong?

Related questions

1. How often should a woman get blood work done?
2. What is the normal range for blood count?
3. What blood test results indicate cancer?
4. Does anemia mean cancer?
5. What is the first sign of blood cancer?
6. What does a full blood count blood test show?
7. What level of Haemoglobin is dangerous?
8. What does it mean when your red blood cell count is high?
9. Can a CA 125 test be wrong?
10. Does ca125 detect all cancers?

Tags

1. #detect
2. #quickly
3. #blood
4. #because
5. #early
6. #positive
7. #result
8. #during
9. #false
10. #levels
11. #pregnancy
12. #results
13. #enough
14. #urine
15. #there
16. #tests
17. #possible
18. #negative