Allina Health Laboratory a part of Abbott Northwestern Hospital



A | B | C | D | E | F | G | H | I | J | K | L | M
N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers

Test Name:APTT
Test Number:490
Collect:4.5 mL (3.2%) Na Citrate tube - lt blue
Minimum Volume:2.7 mL (3.2%) Na Citrate tube - lt blue
2 – Microcentrifuge Tubes (Beaker sites) or
2 – Coagulation Specimen Transport Tubes

Lt blue top (3.2% Na Citrate) tube
Processing:Routine: Process Platelet Poor Plasma following instructions in the Collection/Processing Details and freeze.

STAT requests only: Send whole blood sample in original collection container with STAT courier. Must be tested within 4 hours of collection.
Transport/Stability:Frozen - strict
Refrigerated - NO
Alternate Names: Activated Partial Thromboplastin Time
Performing Lab:AHL - Coagulation
Days Set Up:Mo - Su Available STAT
Expected TAT:1 day
Ref. Ranges:Adult: 26 - 35 seconds

Heparin therapeutic range: 65 - 99 seconds
Processing Details:
Do not over or under fill the collection tube (see Additional Info link).
Greiner tubes are not acceptable.

Process Platelet Poor Plasma (P.P.P) following the linked instructions.

Basic Coagulation Specimen Processing Instructions

Separate plasma into two (2) 1 mL aliquots, label as "NaCi Plasma P.P.P" and freeze immediately.
Specimens will be rejected if hemolyzed, or patient on heparin > 1.0 IU/mL.
Method:Coagulation test method
CPT Codes:85730
Additional Information: Proper Na Citrate Tube Filling
Date Created:11/30/2001
Revised Date:06/24/2019