Sign in →

Browse by Name

  1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  27. #
 

General Information:

 

Web Links:

Mayo Clinic Laboratories

Test Code PTTA Activated Partial Thromboplastin Time (PTT)

Important Note

Specimen must arrive within 4 hours of draw.

Specimen Requirements

Container/Tube: Light blue-top (3.2% sodium citrate) tube

Specimen Volume: Full 4.5-mL tube of whole blood

Collection Instructions: Immediately invert tube and mix gently 8 times. Clotted blood is not acceptable. Avoid hemolysis.
Note: Label specimen appropriately.

 

Specimen Transport Temperature

Ambient

Performing Laboratory

The Valley Hospital

Reference Values

See lab report for reference range.

Test Classification and CPT Coding

85730