ATP Release

Message
For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

This test needs a completed Anticoagulant Drug List submitted with the specimen. For a copy of the 2 page form click here

All sample collections must be scheduled in advance through Special Coag Department (937-297-8290) or (1-800-686-2252 ext. 8290).

Outpatient sample collections must be performed no later than 8:30 am on scheduled date at one of the following locations only:
            MVH Berry Outpatient PSC or Sandridge PSC.

Physician Information: Patient whole blood platelet count must be ≥ 150/mm3 or cleared with department pathologist prior to collection.


Test Code
ATPREP


Alias/See Also
76240


CPT Codes
82397x6; 85049; 85576x5

Includes
Agonists:
Arachidonic Acid
ADP 5μM, 10μM
Collagen 5 μg, 2 μg
Thrombin


Preferred Specimen
1 K2EDTAlavender top tube
6 plastic (2.7mL) completely filled whole blood 3.2% Sodium Citrate (light blue top) tubes


Instructions
Patients must be scheduled prior to blood collection. All scheduling must take place through the Special Coag Department at Sandridge location. Please check with the Special Coag department prior to collection if you do not have this patient on your schedule.

     Outpatient ATP Release
tests are to be scheduled for Tuesdays and Thursdays only at 8:00-8:15a.m.; any exception must be department pathologist-approved.

     Hospital patient ATP Release tests can be scheduled for Monday-Friday on day shift.

Fasting is recommended but not required.
Specimens must NOT be centrifuged and must be maintained at room temperature.
Specimens must not be sent through the hospital tube system.
Specimens must be received at Sandridge Special Coag Department within 1 hour of collection.


Transport Container
K2EDTA lavender top tube
Whole blood Sodium Citrate (light blue top) tubes


Transport Temperature
Room Temperature: K2EDTA lavender top tube
                                 Whole blood Sodium Citrate (light blue top) tubes


Specimen Stability
Room Temperature: K2EDTA lavender top tube <24 hours
                                 Whole blood Sodium Citrate (light blue top) tubes <4 hours
Refrigerated: Unacceptable for Sodium Citrate (light blue top) tubes whole blood
Frozen: Unacceptable for K2EDTA lavender top tube and Sodium Citrate (light blue top) tubes whole blood


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
K2EDTA lavender top tube−Rejected for gross hemolysis and received frozen.

Sodium Citrate (light blue top) tubes- Rejected if not received within 1 hour at room temperature, clotted, improper fill, incorrect specimen type, refrigerated


Methodology
Luminescence & Platelet Aggregometry

Setup Schedule
SCOAG = Tuesday and Thursday for outpatients (only when previously scheduled through Special Coag)
                  Monday-Friday for hospital inpatients (only when cleared with department pathologist and scheduled with Special Coag)


Report Available
1 - 3 days


Limitations
Patients with platelet counts < 150/mm3 must have pathology approval prior to scheduling


Clinical Significance
This is an assay that detects platelet secretion defects using a luminescent method for qualitative analysis of Dense Body Granules.


Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439


Last Updated: November 21, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.