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Test Code LAB3386 Platelet AUTOantibodies

Important Note

This testing must be scheduled with Bloodworks Northwest. Please call the BWNW Platelet Immunology Laboratory at (206) 689-6543 for additional information and scheduling. Draw Monday - Thursday at any time. Samples must be drawn before 07:00 am on Fridays and cannot be drawn on weekends.

Additional Codes

PLT AB

Clinical System Name

Platelet AUTOantibodies

Synonyms

Anti Platelet Antibodies; Platelet Autoantibodies
 

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA AND Lt. Blue/Citrate

Preferred Vol: See Table Below

Minimum Vol: See Table Below

 

Lt. Blue/Citrate 5.0 mL
Lavender/EDTA (refer to amounts below)  
Platelet Count  
Greater or equal to 50,000

20.0 mL

20,000 to 49,000

30.0 mL

10,000 to 20,000 40.0 mL
Less than 10,000 DO NOT DRAW

 

Note: Test must be scheduled. Please call BWNW at (206) 689-6543 for additional information and scheduling. Draw Monday - Thursday at any time. Samples must be drawn before 07:00 am on Fridays and cannot be drawn on weekends. A BWNW Platelet Immunology Laboratory RFT must be completed and accompany specimens to lab. Send tubes to lab immediately. These samples must reach the BWNW Platelet Immunology Laboratory within 24 hours of collection. Information on specimen label should be an EXACT match to the information on requisition.

Processing Instructions

Reject due to: 

Spin: N

Aliquot: N

Temp: RT

Storage Location: DO NOT SPIN BLOOD. Samples must be kept at ROOM TEMPERATURE. During business hours, notify the Send Outs department when samples are received. After hours, send the bagged sample and requisition DIRECT to BWNW (921 Terry Ave) via Delivery Express courier. The samples must reach the Platelet Immunology Laboratory within 24 hours of collection.

 

Off-site Collection:

Stability

Specimen Type Temperature Time
  Room temp 24 h
  Refrigerated Unacceptable
  Frozen Unacceptable
     

 

Availability

STAT Performed TAT
N M - F morning 1 d

 

Performing Laboratory

Bloodworks Northwest

Attn: Platelet Immunology Lab, Rm 619

921 Terry Avenue

Seattle, WA 98104

 

Phone Number: (206) 689-6543

Department

Department: Send Outs

Phone Number: (206) 987-2563

CPT Codes

86022 (x2), 86023 (x2)

Methodology

Method: None Flow Cytometry

Analytical Volume: See "Sample Requirements" Section

Limitations: Method is affected by improper specimen type, age of sample, patient's diagnosis and platelet count.

Send Out Instructions

Reference Test Name: Platelet Autoantibody Test (ITP Workup)
Reference Lab Test Code: 3640-00
Instructions: Notify BWNW that we are sending a sample to them (206) 689-6543. Use a BWNW Platelet Immunology Laboratory RFT, cushion tubes well and send DIRECT to BWNW Platelet Immunology Laboratory via Delivery Express courier. Follow any additional or alternate instructions given to us by Bloodworks Northwest. The samples must reach the Platelet Immunology Laboratory within 24 hours of collection.