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HelpTest Code RHO Rh Immune Globulin, Blood
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Agglutination
Includes Rh typing, antibody screen, and administration of standard 300 mcg dose of Rh Immune Globulin. Rh Immune Globulin is issued by St. Luke’s Hospital Blood Bank Laboratory.
Infusion Therapy Clinic (ITC) will administer Rh Immune Globulin to outpatients during normal business hours. Birthing Center (6E) will administer Rh Immune Globulin to outpatients when ITC is closed.
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
EDTA Whole Blood
Draw blood in a pink-top (K3 EDTA) tube(s), and send 7 mL of K3 EDTA whole blood.
Note: 1. Label specimen in ink with patient’s full name, date and time of draw, and initials of phlebotomist. Preprinted label is acceptable.
2. Specimen should be tested within 14 days.
Alternate:
Plain, Red-Top Tube
Draw blood in a plain, red-top tube(s), and send 7 mL of whole blood. (Serum gel tube is not acceptable.)
Note: 1. Label specimen in ink with patient’s full name, date and time of draw, and initials of phlebotomist. Preprinted label is acceptable.
2. Specimen should be tested within 14 days.
Reference Values
For Rh-negative mothers with a positive antibody screen and an antibody identification of an antibody other than anti-D, or a negative antibody screen, 1 standard 300 mcg dose of Rh Immune Globulin is indicated.
The Rh D-negative obstetrical patient may be exposed to RBCs from her Rh D-positive fetus during the normal course of pregnancy or after obstetrical procedures such as amniocentesis, chorionic villus sampling, percutaneous umbilical blood sampling, other obstetrical manipulative procedure (eg, version) or abdominal trauma. Antepartum administration of Rh Immune Globulin at 26 to 30 weeks has been shown to reduce the Rh immunization rate.
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
86850 - antibody screen
86900 - ABO
86901 - Rh type
J2790 - Rh Immune Globulin