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PTT
Lab code: PTT
 
Test Synonyms:
Activated partial thromboplastin time; PTT
 
Lab:
Core Lab
Inpatient Req:
Core Lab (#84927)  
Outpatient Req:
Clinical Labs (#83608)  
Specimen:
Blue 3 ml
Result Time:
STAT: 1 hr   Cost: $
Reference Interval:

Critical value defined. See MGH Critical Values for details.
 
Neonatal/Pediatric:
Neonatal/Pediatric tube: Blue (1.8 ml tube). Fill to fill line on tube.
Special tubes available if hematocrit > 56%