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Test Code RHTR Antibody Titer

Clinical Indications

N/A

Additional Test Codes

Epic Order Name: Antibody Titer
Sunquest Order Code: RHTR
Epic Px Code: LAB5009

Specimen Collection Type

Pink

Minimum Collection Volume

4 mL

Reference Range

N/A

Critical Value

N/A

Interpretation

The titer end point is reported as the reciprocal of the last dilution demonstrating reactivity. For example, if the lab test is 1:8, the titer is reported as 8.
A report of “too weak to titer” indicates an antibody concentration too low to perform testing.

Rejection Criteria

Gross Hemolysis
Improper labeling

Specimen Availability for Add-on Testing

Only for additional blood bank testing.

Specimen Stability

3 Days

Day(s) Performed

Monday through Sunday

Performing Lab- Department

TUKHS-BH-Transfusion Service

CPT Code

86886

LOINC Code

50970-3

Test Alias

N/A

Additional Information / Notes

Titration is used to determine the concentration of antibody to RBCs in a plasma sample. Antibody titration is performed on obstetric patients with clinically significant antibodies.