Determine if the c (RH4) antigen is expressed on the patient's red blood cells. To determine if the patient is heterozygous or homozygous for the c antigen, C Antigen Typing - Patient (2007933) should also be ordered.
- Patient Preparation
- Collect
- Lavender (EDTA) or pink (K2EDTA).
- Specimen Preparation
- Do not freeze. Transport 7 mL whole blood. (Min: 0.5 mL)
- Storage/Transport Temperature
- Refrigerated.
- Unacceptable Conditions
- Separator tubes.
- Remarks
- Stability
- Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
2007940 | Little c Antigen Typing |
- Big C Antigen Typing ; C (Big) Antigen Typing