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Test Code CBPAAR Cell Bound Platelet Antibody  

Important Note

Specimens must arrive at ARUP and be analyzed within 48 hours of collection. Required amount of blood may be dependent on platelet count. Draw 4.0 mL for patients with decreased platelet counts.

Support the diagnosis of autoimmune thrombocytopenia (AITP).
 

Additional Codes

95614
 

Specimen Type

Whole Blood

Preferred Collection Container

LAV

Acceptable Collection Container

LAV (EDTA), PINK (EDTA)
 

Collection Instructions


Specimens must arrive at ARUP and be analyzed within 48 hours of collection. Required amount of blood may be dependent on platelet count.

Collection Volume

4.0 mL

Minimum Collection Volume

1.0 mL

Testing Volume

1.0 mL

Rejection Criteria

Clotted, hemolyzed, frozen, or refrigerated specimens.  Specimens older than 48 hours upon arrival at reference laboratory.
 

Specimen Storage and Stability

Ambient: 48 hours; Refrigerated: Unacceptable; Frozen: Unacceptable

Day(s) and Time(s) Performed

Sunday through Saturday

EPIC Code

LAB6117A

Transport

Critical Ambient

Turn Around Time

3-4 days

Lab Department

Referred Testing

Methodology

Qualitative Flow Cytometry
 

Test Alias

95614; Direct Platelet Antibody, Anti-Platelet Antibodies; Cell-Bound Platelet Antibody Test; Platelet Associated Immunoglobulins (IgG & IgM)
 

CPT Coding

86023 x2

LOINC

Platelet Antibodies Direct, IgG 29497-5; Platelet Antibodies Direct, IgM 29498-3