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Test Code NATP UM NATP, Maternal

Clinical System Name

NATP, Maternal


Neonatal Alloimmune Thrombocytopenia Evaluation

Sample Requirements

Specimen: Whole Blood

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

Preferred Vol: 20 mL EDTA, 10 mL Citrate, 10 mL Red

Minimum Vol: 20 mL EDTA, 10 mL Citrate, 10 mL Red


Note: Draw M - F morning before 9 am. A BWNW Immunogenetics Requisition must be completed and accompany specimens to lab. Send tubes to lab immediately. NOTE: These are requirements for NATP for a Mother, for a Father see NATP, Paternal.


Processing Instructions

Reject due to:

Spin: N

Aliquot: N

Temp: RT

Storage location: Do NOT spin blood. Give whole blood to Send Outs. Store extra labels and copy of requisition in the clear plastic box attached to CPA refrigerator.


Off-site collection:


STAT Performed TAT
N T - F 1 - 2 w


Performing Laboratory

Bloodworks Northwest


Bloodworks Northwest Platelet Immunology Laboratory

921 Terry Ave
Seattle, WA 98104-1256
(206) 689-6543


Reference Range

Interpretive report provided.


Method: None specified

Analytical Volume: None specified


CPT Codes

86022 x 12, 86023 x 4, 86832 x 1, 81400 x 6     (updated 4/7/15 by dstern)

Send Out Instructions

Reference Test Name:

Neonatal Alloimmune Thrombocytopenia Evaluation (NATP)

Reference Test Number: 3670-00
Instructions: Send sample and requisition to Bloodworks NW via courier.