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Rh Phenotyping

Item Value
Approval req'd? No
Available Stat? No
Test code RHGT
Performed by Parnassus & Mission Bay Blood Banks
In House Availability Test set up Monday-Friday.
Collection Instructions Use BLOOD BANK requisition. Specimen label must contain the date the sample was collected and the legible name of the person who collected the sample.
Container type Lavender top (6 mL size preferred)
Amount to Collect 6 mL blood
Sample type EDTA whole blood
Preferred volume 6 mL blood
Min. Volume 3 mL blood
UCSF Rejection Criteria Unsigned, mislabeled, unlabeled or hemolyzed sample.
Processing notes Do not centrifuge.
Normal range
Turn around times 3-5 days
Additional information Includes typing for C, c, D, E and e.

Frequencies of Rh Antigens:

RBC antigen % of antigen negative donors
(Caucasian) % of antigen negative donors (African-American)
D 15 8
C 32 73
c 20 4
E 71 78
e 2 2

Adapted from: Reid, Marion and Lomas-Francis, Christine. Blood Group Antigens and Antibodies. New York: SBB Books, 2007. Print.
CPT coding 86906
LOINC code 10331-7
Last Updated 6/29/2016 17:26:10
Entry Number 825
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