Antibody Identification, Titer and Typing, RBC

Test Code

ABSTR

Quest Code

5149

CPT Codes
86870 (x # of panel(s) performed), 86886 (x # of titer(s) performed), 86905 (x # of antigen typing(s) performed)

Includes

Based on reactions presenting from Antibody Identification, then 36668 - Direct Antiglobulin Test (DAT) with Reflex to Anti-C3 and Anti-IgG may be performed at an additional charge (CPT code(s): 86880).

If 36668 - Direct Antiglobulin Test (DAT) is positive, then %36669 - Anti-C3 and Anti-IgG will be performed at an additional charge (CPT code(s): 86880 x2).

Preferred Specimen

5 mL whole blood collected in an EDTA (pink-top) tube

Minimum Volume

5 mL

Other Acceptable Specimens

ACD (yellow-top) tube, red-top tube (no gel), cord blood or EDTA (lavender-top) tube

Instructions

If submitting with a CBC, HbA1c, or any other test requiring an EDTA (lavender-top) tube, please submit a separate tube for this test

Transport Container

EDTA (pink-top) tube

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 72 hours
Refrigerated: 7 days
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis • Serum separator tube (SST)

Methodology
Immune Agglutination

Setup Schedule

Day shift Monday-Friday

Report Available

1-3 days

Limitations

"Private" antigens may not be represented on the testing panel and low antigen levels may be undetected.

Reference Range

See Laboratory Report

Clinical Significance

Antibody identification is needed to assess the risk of hemolytic disease of the newborn and to identify sensitized persons at risk in the setting of future transfusions.

Performing Laboratory

Quest Diagnostics LLC

200 Forest Street 3rd Floor, Suite B

Marlborough, MA 01752-3023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.