Test Code APTT 50/50 Activated Partial Thromboplastin Time (APTT) 50/50 Mix, Plasma
Performing Laboratory
Northwell Health Laboratories
Methodology
Clotting-ACL TOP/IL
Reference Values
27.5 - 36.5 sec
Test Classification and CPT Coding
85732
Physician Office Specimen Requirements
Container/Tube: Light blue-top (3.2% sodium citrate) tube
Specimen: Full tube
Transport Temperature: Refrigerate
Collection Instructions: 1. If no other tube is drawn, draw a discard tube.
2. Fill tube completely.
3. Mix by gently inverting several times.
Day(s) and Time(s) Performed
Monday through Sunday
Com;uter Interface Code
PDM # 5601030