Additional Tests Included

Platelet Aggregation and Platelet secretion studies.
Reflexes to Platelet ATP:ADP Ratio if abnormal.

Ordering Recommendations

Must be scheduled with the Coagulation lab (215-662-3447); by appointment only.

For diagnosis of patient with bleeding history.

Inpatient Approval Requirements

Call Coagulation Lab (215-662-3447) for test approval.

After Hours: Please call CP Resident Pager (215-306-0286) for test approval.

Collection Container

x 8

Collect

Eight 2.7 ml citrated blue top vacutainer tubes.

Stability (from collection to initiation)

Stable at room temperature for 4 hours.

Unacceptable Conditions

QNS (quantity not sufficient) or clotted specimens; Whole blood received >4 hours after being drawn

Processing - HUP

Send sample to Coag Lab. After Coagulation Laboratory is closed, order PLT AG and cancel as improper collection.

Reference Interval

ADP: 1.0-5.0uM
EPI: 0.05-5.0uM
COLLAGEN: 10-100ug/ml
Arachidonic Acid: 0.75 - 1.5mM
Platelet Secretions ADP, EPI, COLLAGEN: >40%
UPTAKE: >60%

CPT Codes

85576

LOINC

  • 72257-9
Collection & Processing

Additional Tests Included

Platelet Aggregation and Platelet secretion studies.
Reflexes to Platelet ATP:ADP Ratio if abnormal.

Ordering Recommendations

Must be scheduled with the Coagulation lab (215-662-3447); by appointment only.

For diagnosis of patient with bleeding history.

Inpatient Approval Requirements

Call Coagulation Lab (215-662-3447) for test approval.

After Hours: Please call CP Resident Pager (215-306-0286) for test approval.

Collection Container

x 8

Collect

Eight 2.7 ml citrated blue top vacutainer tubes.

Stability (from collection to initiation)

Stable at room temperature for 4 hours.

Unacceptable Conditions

QNS (quantity not sufficient) or clotted specimens; Whole blood received >4 hours after being drawn
CR&P Information

Processing - HUP

Send sample to Coag Lab. After Coagulation Laboratory is closed, order PLT AG and cancel as improper collection.
Result Interpretation

Reference Interval

ADP: 1.0-5.0uM
EPI: 0.05-5.0uM
COLLAGEN: 10-100ug/ml
Arachidonic Acid: 0.75 - 1.5mM
Platelet Secretions ADP, EPI, COLLAGEN: >40%
UPTAKE: >60%
Testing Updates
Billing Codes

CPT Codes

85576

LOINC

  • 72257-9

Ordering Information

Cerner Orderable
Case - Platelet Function Studies; PLTFS
Performing Lab
Special Coagulation
Performed
Monday, Wednesday, and Thursday
Reported
Approximately 7 days
Methodology
Light Transmission Aggregometry and Serotonin Release
Synonyms
  • Platelet Aggregation and Platelet secretion studies. Reflex to ATP:ADP Ratio if abnormal.

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