Yale New Haven Hospital

Department of Laboratory Medicine
Test Directory

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Platelet aggregation

Lab Section: 

Hematology

 

Lab Location: 

Main Lab

Test ID: 

LAB3363

 

Methodology: 

Aggregation

Schedule: 

Tuesdays & Thursdays: schedule with lab

Reported: 

4 hrs

Specimen Requirements: 

Collection: 27.0 mL Blood in a Call Lab.
This test can be ordered in EPIC but must be scheduled in advance with the hematology lab. Call (203) 688-5227 and ask for the Hematology lab to schedule appointment.
Transport: Collected by phlebotomist or PCA with assistance from Hematology Technologist..
Stability: Must be analyzed within 2 hours of collection

 

Notes: 

Clinical Indications: For evaluation of suspected platelet-type bleeding disorder

Platelet aggregation response to agonists measured. Agonists include: ADP, Epinephrine, Collagen, Ristocetin (high and low dose), and Arachidonic acid. Patient must have adequate platelet count and be ASA and NSAID free. Consult with lab concerning patient's suitability for this test.

Tests in this Panel: 

Test Name

Reference Interval

Arachidonic Acid [LRR11989]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

>50 %

Epinephrine High Dose [LRR13410]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

>50 %

Ristocetin High Dose [LRR16101]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

>50 %

ADP High Dose [LRR11669]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

>50 %

Ristocetin Low Dose [LRR16102]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

<15 %

Epinephrine Low Dose [LRR13411]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

>50 %

ADP Low Dose [LRR11670]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

>50 %

ADP Moderate Dose [LRR11671]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

>50 %

Collagen [LRR12837]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

>50 %

CPT Code(s): 

85576x5

Last Changed: 

8/22/2017 8:17:28 AM