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Test Code Direct Coombs Poly COOMBS, DIRECT (POLY)

Aliasis

Direct Coombs

Patient Preparation

No special patient preparation required

Special Collection Instructions

Sample labeling requirements:
For all patients over the age of four months, when sample is intended for transfusion purposes:
-A Blood Bank ID armband must be attached to the patient’s wrist at time of blood draw.
-The tube may be either labeled by hand at the bedside with ink on an adhesive label or with a computer-generated label. Either label must contain the following information:
-Complete first and last name. It is acceptable to hand write name if cutoff on computer label.
-Medical record number
-Date and time of collection
-Name or initials of the person collecting the sample.
-Blood Bank ID armband identifiers should be on tube, either in sticker form or hand written.

NOTE: Sample will need to be redrawn if missing any of the above information.

For patients under the age of four months, when sample is intended for transfusion purposes and/or cord blood samples:
-Complete first and last name
-Medical record number
-Date and time of collection
-Name or initials of the person collecting the sample

Collection Method

Venous collection

Minimum Volume

Adult: 1 mL
Pediatric: 0.5 in one MAP tube

Container

Pink Top EDTA

Preferred Specimen

EDTA Whole Blood

Acceptable Specimen(s)

EDTA Whole Blood

Reference or Target Ranges

Not defined for this assay

Reportable Units

Not defined for this assay

Critical Value

Not defined for this assay

Reasons for Rejection

Other:                           

Missing any of the following:

  • Complete first and last name
  • Medical Record number
  • Date and time of collection
  • Name/Initials of person collecting the sample

Specimen Stability

Ambient

72 Hours

Refrigerated    (4oC to 8oC)

72 Hours

Days and Time Performed

24/7

Expected Turn Around Time

STAT: 1 hour, Routine:  4 hours

Stat Availability

Yes

Performing Bench

CRMC Blood Bank

Performance Information

Days and Time Performed

Daily between 0700-1500

Expected Turn Around Time

2-hours from the time specimen is received into Microbiology Department

Performing Bench

CRMC Blood Bank

Methodology/Method Description

Tube method

CPT Codes

86880