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Test Code RHGE RhO(D), Immune Globulin, Evaluation

Additional Codes

Epic Order Code: LAB2378
Sunquest Order Code: RHGE

Specimen Required

Patient Preparation:

Document indication (either 28-week gestation, amniocentesis, trauma, post delivery, etc) on request form. If previous records indicate mother is Rh-negative, RhIG may be injected before testing is completed. However, the patient’s blood must be drawn prior to injection.

Container Type:

Optimal:  Pink Top (EDTA)

Acceptable: Lavender

Optimal Collection Volume: 

6.0mL Whole Blood

Collection Instructions:

Collect specimen and gently invert several times to mix. Label the specimen, in the presence of the patient, with full name, date of birth and patient medical record number. 

Processing Instructions: 

1. Collect sample in pink top container.

2. Label per policy in the presence of the patient.

3. Send whole blood sample to Blood Bank for testing.

Useful For

Identifying when Rh Immunoglobulin therapy is indicated for suppression of the immune response of Rh negative women (who do not have immune Anti D) following feto-maternal bleeds that may occur before or at delivery of an Rh positive infant by determining Rhogam eligibility.

Testing results or eligibilty may reflex additional testing work up such as antibody identification or Fetaldex (Kleihauer-Betke). 

Profile Information

Test ID   Reporting Name Available Separately Always Performed
RIND Indication for Rhogam No Yes
BRCOM Rhogam Comment No Yes
ELIG Rhogam Eligibility No Yes
FETSC Fetal Screen No No
ASC Antibody Screen Yes No
RH Rh Yes Yes

Method Name

Gel and Tube

Stability Information

Specimen Type Temperature Time
  Refrigerated 3 days
  Ambient  1 day

Rejection Due To

Hemolysis Mild OK; Moderate OK; Gross Reject
Lipemia Mild OK; Moderate OK; Gross Reject
Icterus Mild OK; Moderate OK; Gross Reject
Other N/A

 

Post Processing Specimen Type

Whole Blood

Specimen Minimum Volume

Collecting minimum volumes can result in a need for sample recollection, and/or a delay in results. Minimum volumes are subjective and cannot account for all aspects of specimen and testing needs. Refer to the Specimen Required section for optimal volumes for laboratory specimens. Contact the Bronson Laboratory if complex collection exceptions occur that require more information.

 

Minimum Volume: 3.0mL whole blood
Neonate Volume:  

Performing Laboratory

Bronson Laboratory, Blood Bank-Kalamazoo, Paw Paw, Battle Creek, South Haven

Day(s) Performed

24/7

LOINC Code Information

<If only single LOINC, delete table below> 

Test ID Test Order Name Order LOINC Value
RHGE Rhogam Evaluation 1314-4
RIND Indication for Rhogam 19148-6
ELIG Rhogam Eligibility 19148-6
RH Rh 10331-7
ASC Antibody Screen 890-4
%ABI Antibody Identification 890-4

CPT Code Information

Test ID Test Order Name CPT Code
RH Rh 86901
ASC Antibody Screen 86850
%ABI Antibody Identification 86870
FETSC Fetal Screen 86870

 

Sample Retention Time

Blood Bank specimens (other than Cord Blood) are retained in the Blood Bank for 30 days. Pretransfusion testing should be completed within 2 days of collection.