Platelet Aggregation with Ristocetin
Order Code:
PLTAGP
Test Summary
Decreased platelet aggregation results can be seen in inherited and acquired disorders, such as von Willebrands Disease, Storage-Pool Disease, and Aspirin-like Defect. Increased platelet aggregation may occur in a number of conditions such as smoking, atherosclerosis, diabetes, stress, hypertension and thromboembolism disorders.
Aliases
- Platelet Aggregation
Specimen Collection
Special Instructions
See Link and Print BOTH "Drug List for Special Coagualtion Tests" and "Platelet Function Studies Drug History"
Preferred Specimen
1 K2EDTA lavender top tube
6 plastic (2.7mL) completely filled 3.2% Sodium Citrate (light blue top) tubes
6 plastic (2.7mL) completely filled 3.2% Sodium Citrate (light blue top) tubes
Minimum Volume
MUST BE SCHEDULED
Instructions
Patients must be scheduled prior to blood collection. All scheduling must take place through the Special Coag Department at Sandridge location. Please call (937)297-8290 Monday-Friday to schedule collection. Please check with the Special Coag department prior to collection if you do not have this patient on your schedule.
Outpatient Platelet Aggregations are to be scheduled for Tuesdays and Thursdays only at 8:00-8:15 a.m.; any exception must be department pathologist-approved.
Hospital patient Platelet Aggregations 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.
Outpatient Platelet Aggregations are to be scheduled for Tuesdays and Thursdays only at 8:00-8:15 a.m.; any exception must be department pathologist-approved.
Hospital patient Platelet Aggregations 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.
Patient Preparation
N/A
Storage
K2EDTA lavender top tube
Whole blood Sodium Citrate (light blue top) tubes
Whole blood Sodium Citrate (light blue top) tubes
Transport Temperature
Room Temperature: K2EDTA lavender top tube
Whole blood Sodium Citrate (light blue top) tubes
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
Limitations
Patients with platelet counts < 150/mm3 must have pathology approval prior to scheduling
Other Acceptable Specimens
N/A
Unacceptable Specimens
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
Sodium Citrate (light blue top) tubes- Rejected if not received within 1 hour at room temperature, clotted, improper fill, incorrect specimen type, refrigerated
Order Code
PLTAGP
EPIC (Premier) Code
LAB6250
Includes
Arachidonic Acid
ADP 5uM if abnormal reflexes to 10uM
Collagen 2ug/mL if abnormal reflexes to 5ug/mL
Ristocetin 1.37mg/mL
Ristocetin 0.5mg/mL
Epinephrine 5uM if abnormal reflexes to 10uM
Saline. Also includes a Fibrinogen test.
ADP 5uM if abnormal reflexes to 10uM
Collagen 2ug/mL if abnormal reflexes to 5ug/mL
Ristocetin 1.37mg/mL
Ristocetin 0.5mg/mL
Epinephrine 5uM if abnormal reflexes to 10uM
Saline. Also includes a Fibrinogen test.
CPT Code
- 85610
- 85730
- 85384
- 85049
- 85576(7)
Billing Code
- 300434
- 300482
- 300492
- 300468
- 300480
CPT Statement
Methodology
Platelet Aggregometry
FDA Status
FDA approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439
2308 Sandridge Drive
Moraine OH, 45439
Department
Hematology
Reference Range
See Report
Setup Schedule / Expected Turnaround Time
Monday - Friday. MUST BE SCHEDULED. SCOAG; Report available: 1 - 4 days
Specimen Collection
Special Instructions
See Link and Print BOTH "Drug List for Special Coagualtion Tests" and "Platelet Function Studies Drug History"
Preferred Specimen
1 K2EDTA lavender top tube
6 plastic (2.7mL) completely filled 3.2% Sodium Citrate (light blue top) tubes
6 plastic (2.7mL) completely filled 3.2% Sodium Citrate (light blue top) tubes
Minimum Volume
MUST BE SCHEDULED
Instructions
Patients must be scheduled prior to blood collection. All scheduling must take place through the Special Coag Department at Sandridge location. Please call (937)297-8290 Monday-Friday to schedule collection. Please check with the Special Coag department prior to collection if you do not have this patient on your schedule.
Outpatient Platelet Aggregations are to be scheduled for Tuesdays and Thursdays only at 8:00-8:15 a.m.; any exception must be department pathologist-approved.
Hospital patient Platelet Aggregations 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.
Outpatient Platelet Aggregations are to be scheduled for Tuesdays and Thursdays only at 8:00-8:15 a.m.; any exception must be department pathologist-approved.
Hospital patient Platelet Aggregations 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.
Patient Preparation
N/A
Storage
K2EDTA lavender top tube
Whole blood Sodium Citrate (light blue top) tubes
Whole blood Sodium Citrate (light blue top) tubes
Transport Temperature
Room Temperature: K2EDTA lavender top tube
Whole blood Sodium Citrate (light blue top) tubes
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
Limitations
Patients with platelet counts < 150/mm3 must have pathology approval prior to scheduling
Other Acceptable Specimens
N/A
Unacceptable Specimens
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
Sodium Citrate (light blue top) tubes- Rejected if not received within 1 hour at room temperature, clotted, improper fill, incorrect specimen type, refrigerated
Billing
CPT Code
- 85610
- 85730
- 85384
- 85049
- 85576(7)
Billing Code
- 300434
- 300482
- 300492
- 300468
- 300480
CPT Statement
Result Information
Methodology
Platelet Aggregometry
Testing Laboratory
N/A
Reference Range
See Report
Setup Schedule / Expected Turnaround Time
Monday - Friday. MUST BE SCHEDULED. SCOAG; Report available: 1 - 4 days