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Test Code 9822 Direct Antiglobulin Test (Polyspecific), Blood

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Testing Algorithm:

If this test is positive, then #9803 Direct Antiglobulin Profile, Blood will be performed, at an additional charge.

If IgG (included in #9803) is positive, then an elution and antibody identification will be performed, at an additional charge.

Specimen Requirements

Hospital Patient:

Specimen Type: Whole blood

Container/Tube: Pink top (EDTA)-Separator gel tube is not acceptable.

Specimen Volume: Full tube

Specimen Minimum Volume: 10 mL (child: 4 mL)

Additional Information:

1. Specimen must be labeled with barcode label or addressograph imprint.
2. Specimen must have either a PPID label, chart or non- computer generated label with one full signature (phlebotomist). Check Sample may be requested on patients without prior ABO/Rh history

 

Non Hospital Patient:

Specimen Type: Whole blood

Container/Tube: Pink top (EDTA)-Separator gel tube is not acceptable.

Specimen Volume: Full tube

Specimen Minimum Volume: 10 mL (child: 4 mL)

Additional Information:

1. Label tube with patient’s name, date of birth, and Social Security number.

2. Specimen submitted for ABO/Rh only must be signed by person drawing specimen. Initials are not acceptable.

3. If a type and screen is also requested or is added to this request the specimen must have one full signature (phlebotomist). Initials are not acceptable. Check Sample may be requested on patients without prior ABO/Rh history.

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory 
Routine: 2 to 3 hours after receipt in laboratory

Reference Values

Not applicable

Test Classification and CPT Coding

86880-Direct coombs

86880 x 2-Direct coombs (if appropriate)

86860-Antibody elution (if appropriate)

86870-Antibody identification (if appropriate)

Additional Information

For BJH Laboratory Use Only
Alternate Tube:

2 red-top tubes

Laboratory Processing Instructions:

Test performed in BJH Blood Bank. Centrifuge upon receipt. After testing is performed, store specimen refrigerated at 2° C to 8° C.

Specimen Transport Temperature

Ambient