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Test Code N.DAT ONLY COOMBS, DIRECT, NEWBORN

Additional Codes

DATNB

Methodology

Gel

Specimen Requirements

Whole Blood

Container/Tube: Lavender (EDTA)

Specimen Volume: Lavender tubes must be filled to minimum fill line. 

 

Alternate Specimen: Cord blood samples collected in plain red top tubes and clearly labeled as cord blood.

 

Specimen Transport/Stability

Refrigerated - 10 days

Store/Transport Refrigerated

Specimen Rejection

  • Hemolyzed Cells
  • All samples collected in plain red top tubes that are not cord blood samples.

Maximum Laboratory Time

24 to 48 hours

 

Reference Ranges

Direct Coombs - Negative

Critical Value :  REFER TO LH-W CRITICAL VALUES POLICY

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

86880