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Red cell Phenotype

Item Value
Approval req'd? No
Available Stat? No
Test code PHEN
Performed by Parnassus Blood Bank
In House Availability Test set up Monday-Friday.
Collection Instructions 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 or unlabeled sample
Processing notes Do not centrifuge.
Normal range
Turn around times 2-4 days
Additional information Includes the commonly clinically significant RBC antigens: C, c, E, e, M, N, S, s, K (Kell), JKa and JKb (Kidd) & Fya and Fyb (Duffy) typing.

RBC antigen % of antigen negative (Caucasian) % of antigen negative (African-American)
D 15 8
C 32 73
c 20 4
E 71 78
e 2 2
K 91 98
Jka 23 8
Jkb 26 51
Fya 34 90
Fyb 17 77
S 45 69
s 11 7

Reid, Marion and Lomas-Francis, Christine. Blood Group Antigens and Antibodies. New York: SBB Books, 2007. Print.
CPT coding 86905 x 12
LOINC code 820-1
Last Updated 6/22/2016 13:12:08
Entry Number 811
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