Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

DIRECT COOMBS

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB2189         Geisinger Epic ID: 20200

SPECIMEN COLLECTION
Specimen type:
Whole Blood
Preferred collection container:
Alternate Collection Container:
Lavender-top (K2 EDTA) microcollection tube
Specimen required:
6 mL whole blood; minimum 1 mL.
Special notes:
Specimen must be labeled with patient's first and last name, medical record number or some unique other identifier (e.g.,billing number, NOT date of birth). Date of collection and phlebotomist identification (full name or tech ID) must be available. Positive patient identification must be assured. For cord blood samples, order CDEV (Cord Evaluation) test battery for ABORH and DAT testing.
Patient preparation:
None.

SPECIMEN PROCESSING
Specimen processing instructions:
Do not centrifuge or aliquot. 
Transport temperature:
Room temperature preferred (less than 24 hours). If greater than 24 hours, specimen should be stored at 2-8°C.
Specimen stability:
Specimen must be less than 48 hours old for testing.
Rejection criteria:
Tube containing gel separator. Incomplete label ID (see specimen collection notes).

TEST DETAILS
Critical values/courtesy alerts:
DAT 2+ or stronger on neonates.
CPT code(s):
86880
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
DAT
Methodology:
RBC agglutination and/or gel column technology
Synonyms:
Direct Coombs, DAT
Clinical significance:
DAT determines if red cells have been coated in vivo with immunoglobulins (IgG only), complement (C3 only) or both. Primarily for investigation of hemolytic transfusion reaction, hemolytic disease of the fetus and newborn, autoimmune hemolytic anemia and drug-induced immune hemolysis.
Doctoral Director(s:)
Gustaaf de Ridder MD, PhD    
Review Date: 11/18/2020

Performing Locations

Geisinger Medical Center

Performing laboratory: Blood Bank
Technical Lead: Amy Allvord
Frequency: Daily, all shifts
Performed stat? Yes

Geisinger Wyoming Valley Medical Center

Performing laboratory: Blood Bank
Technical Lead: Noreen Dructor    
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Community Medical Center

Performing laboratory: Blood Bank
Technical Lead: Deborah Marasco  
Frequency: Daily, all shifts    
Performed stat? Yes

Geisinger Lewistown Hospital

Performing laboratory: Blood Bank
Technical Lead: Samantha Everhart  
Frequency: Daily, all shifts    
Performed stat? Yes
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