Test Overview
Test Usage

Screen for hemolytic disease of the newborn; facilitate crossmatching should transfusion of the infant be clinically indicated.

Reference Range *

Report includes interpretation as appropriate.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Daily, 24 hours (continuously throughout the day).
Analytic Time

1 - 4 hours

Soft Order Code
CB
MiChart Code
Blood Gas W/Lytes,Cap Ped
Synonyms
  • HDN Screen
  • Hemolytic Disease of the Newborn (HDN)
Laboratory
Blood Bank
Section
Blood Bank
Specimen Requirements
Collection Instructions

Blood Bank is not able to share tubes with other laboratories. 1. Specimens are unacceptable if: collected in serum separator tube, contaminated, grossly hemolyzed, of inadequate volume, or not properly labeled with patient identification. 2. Preferably cord blood, venous sample acceptable. Cord blood should be obtained by venipuncture of a cord vessel. Do not obtain specimen by squeezing the cut end of the umbilical cord since tissue thromboplastin interferes with studies.

Alternate Specimen
Lavender top tube. [10/03]
Minimum Volume
2 mL of Venous Blood or 15 mL of Cord Blood
Storage Temperature
R
Additional Information

Test includes: ABO, Rh, IgG Direct Antiglobulin Test, and other tests necessary to establish and rule out the diagnosis of HDN.

Billing
CPT Code
86900 ABO, 86901 Rh, 86880 DAT
Fee Code
21250 ABO, 21252 Rh, 21256 DAT
NY State Approved
No