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Test Code DATSCR Direct Coombs

Additional Codes

Epic ID LAB2040

 

Specimen Requirements

Preferred Collection Container: EDTA pink top tube

Acceptable Collection Container: EDTA purple top tube

Collect: One 6mL EDTA pink top tube labeled appropriately.

Labeling guidelines:

Allen in-patient or out-patient with armband: Label specimen with sunquest cart printed label scanned at the bedside or hand written orange label completed at patient bedside.

Allen out-patient without armband, without plans for transfusion and surgery >3 days: Label specimen with preprinted sunquest label, chart label, or hand written label (not orange label). 

Note: If >24 hours for specimen to arrive at the lab, separate plasma from red cells and send both tubes labeled appropriately refrigerated.

Stability/Transport

Temperature Stability Preferred Transport
Room Temp 8 hours X
Refrigerated 48 hours  

 

Unacceptable Conditions

Serum/cells from SST (gel) tubes is unacceptable

Performing Lab

Allen Hospital Laboratory

Marshalltown Laboratory

 

Useful For

The direct coombs test is used to demonstrate antibodies that have become attached to the patient's red cells in vivo in the following settings: a.Hemolytic Disease of Newborn due to maternal antibodies attached to fetal RBC. b.Hemolytic transfusion reaction due to incompatibility of donor blood. c.Autoimmune or drug-induced hemolytic anemia.

Day(s) Performed

Daily

Report Available

1 hour

CPT Code Information

86880