Item Value
Test name PRU Test P2Y12 Reaction
Available Stat? No
Turn around times 4 hours
In House Availability Monday - Friday 0800 - 1600
Performed by Hematology, Parnassus
Normal range 182-335
Container type
1. Greiner partial fill discard
2. Greiner partial fill 3.2% Sodium citrate blue top
3. Lavender EDTA tube


Amount to Collect 8 mL
Collection Instructions Contact Hematology at x3-1747 for collection kits.

1. Whole blood samples must be collected in or immediately transferred to Greiner 2.0 mL partial fill blue top tubes containing 3.2% Sodium Citrate. The tube must be filled to its intended whole blood capacity (indicated by small black line).
2. Whole blood may be collected from venous sites using a 21 gauge or larger needle in an appropriate blood collection tube.
3. Blood samples should be obtained from an extremity free of peripheral venous infusions.
4. Collect a discard tube first (approximately 2 mL), Greiner partial fill blue tops 2nd, and a lavender for CBC last.
5. Gently invert the sample tube at least 5 times to ensure complete mixing of the contents.
6. Blood must set a minimum of 10 minutes after collection before testing but no longer than 4 hours.


Samples cannot be pneumatic tubed.

A PRU will be ordered in computer. If no CBC or CBCD is requested, Central Processing will order a hematocrit (HCT) and platelet count (PLT).
Sample type Citrated and EDTA anticoagulated whole blood

If you have additional questions regarding this test, please call: 415-353-1667