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Test Code APTT 50/50 Activated Partial Thromboplastin Time (APTT) 50/50 Mix, Plasma

Performing Laboratory

Northwell Health Laboratories


Clotting-ACL TOP/IL

Reference Values

27.5 - 36.5 sec

Test Classification and CPT Coding


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